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1
00:00:20,890 --> 00:00:23,950
ุจุณู… ุงู„ู„ู‡ ุงู„ุฑุญู…ู† ุงู„ุฑุญูŠู… ุงู„ุณู„ุงู… ุนู„ูŠูƒู… ูˆุฑุญู…ุฉ ุงู„ู„ู‡

2
00:00:23,950 --> 00:00:29,690
ูˆุจุฑูƒุงุชู‡ ู‡ู†ูƒู…ู„ ุงู† ุดุงุก ุงู„ู„ู‡ ุงู„ูŠูˆู… ููŠ ู…ูˆุถูˆุน ุงู„ frame

3
00:00:29,690 --> 00:00:36,290
measurements and marking ููŠ ุงู„ู…ุญุงุถุฑุฉ ุงู„ุณุงุจู‚ุฉ ุจุฏุฃู†ุง

4
00:00:36,290 --> 00:00:42,660
ููŠ ู…ูˆุถูˆุนุงู„ู€ Datum System ูˆุงู„ู€ Boxing System

5
00:00:42,660 --> 00:00:48,260
ูˆุงุชุนุฑูู†ุง ุนู„ู‰ ู…ุตุทู„ุญ ุงู„ู€ A Dimension ูˆุงู„ู€ B

6
00:00:48,260 --> 00:00:54,360
Dimension ูˆุงู„ู€ C Dimension The difference between

7
00:00:54,360 --> 00:00:58,800
the horizontal ุงุฐุง ุงู…ุง ุงุชูƒู„ู… horizontal ุงุฐุง ุจู…ุนู†ู‰

8
00:00:58,800 --> 00:01:04,120
ุงู„ A Dimension and the vertical measurements ุงู„ู„ูŠ

9
00:01:04,120 --> 00:01:09,660
ู‡ูŠ ุนุจุงุฑุฉ ุนู† ุงู„ B Dimensionis known as the frame

10
00:01:09,660 --> 00:01:15,040
difference ุงู†ู‡ ุงู„ุงุฎุชู„ุงู ู…ุง ุจูŠู† ุงู„ุฅุทุงุฑ ุทูŠุจ ูƒูŠู ู…ู…ูƒู†

11
00:01:15,040 --> 00:01:21,580
ุฃู†ู‡ ู†ู‚ูŠุณู‡ุง ู…ู† ุฎู„ุงู„ ูˆุญุฏุฉ ุงู„ู…ู„ูŠู…ุชุฑ ูŠุนู†ูŠ ู„ูˆ ุดูˆูู†ุง ู‡ู†ุง

12
00:01:21,580 --> 00:01:28,480
ู…ุซุงู„ ู‡ุงูŠ ุนู†ุฏู†ุง ู…ุซู„ุง ุงู„ุชู…ุงู†ูŠุฉ ูˆุฃุฑุจุนูŠู† ู‡ุงุฏ ุจุชู…ุซู„

13
00:01:28,480 --> 00:01:35,910
ุฅูŠู‡ุŸุงู„ู€ A dimension ุชู…ุงู… ูˆุงู„ู€ 28 ุจุชู…ุซู„ ุงู„ู€ B

14
00:01:35,910 --> 00:01:43,130
dimension ุงู„ุขู† ุงู„ู€ A ู†ุงู‚ุต ุงู„ู€ B ู‡ูŠ ุนุจุงุฑุฉ ุนู† ุงูŠู‡ ุงู„

15
00:01:43,130 --> 00:01:47,030
difference ู…ุง ุจูŠู† ุงู„ horizontal ูˆ ุงู„ vertical

16
00:01:47,030 --> 00:01:56,810
measurement ูŠุนู†ูŠ ุนู†ุฏู†ุง 48 ู†ุงู‚ุต 28 ุจุงู„ุณุงูˆูŠุฉ ูƒุฏู‡ 20

17
00:01:56,810 --> 00:02:03,840
ู…ู„ูŠ ู…ุชุฑู‡ุฐุง ุงู„ูุฑู‚ ู…ุง ุจูŠู† ุงู„ู„ูŠ ู‡ูˆ ุงู„ two meridian

18
00:02:03,840 --> 00:02:10,400
The larger the difference, the more rectangular

19
00:02:10,400 --> 00:02:17,320
the enclosing box appears ุงู„ุขู† ูŠุง ุฌู…ุงุนุฉุŒ ูƒู„ ู…ูƒุงู†

20
00:02:17,320 --> 00:02:22,580
ุงู„ุดูƒู„ ุงู„ู„ูŠ ู‡ูˆ ู…ุณุชุทูŠู„ ุฃูƒุชุฑุŒ ูƒู„ ู…ูƒุงู† ุงู„ุงุฎุชู„ุงู ู…ุง ุจูŠู†

21
00:02:22,580 --> 00:02:27,910
ุงู„ A ูˆุงู„B ุฃูƒุชุฑูŠุนู†ูŠ ุงู„ุขู† ุงุชุทู„ุนูˆุง ู‡ุงู† ู…ุซู„ุงู‹ ู‡ุงู†

22
00:02:27,910 --> 00:02:32,230
ุชู…ุงู†ูŠุฉ ูˆ ุฃุฑุจุนูŠู† ูˆ ุชู…ุงู†ูŠุฉ ูˆ ุนุดุฑูŠู† ุงู„ุขู† ูˆ ุงุญู†ุง ุงูŠุด

23
00:02:32,230 --> 00:02:36,890
ุถุบุทู†ุงู‡ ุดูˆูŠุฉ ุตุงุฑ ุชู…ุงู†ูŠุฉ ูˆ ุฃุฑุจุนูŠู† ุงูˆ ุนููˆุง ุงู„ู„ูŠ ู‡ูˆ

24
00:02:36,890 --> 00:02:40,470
ูƒุจุฑู†ุงู‡ ุดูˆูŠุฉ ูุฃุตุจุญ ุชู…ุงู†ูŠุฉ ูˆ ุฃุฑุจุนูŠู† ูˆ ุชู…ุงู†ูŠุฉ ูˆ

25
00:02:40,470 --> 00:02:45,130
ุชู„ุงุชูŠู† ูุตุงุฑุช ุงูŠุด ู‚ูŠู…ุฉ ุงู„ A ูˆ ุงู„ B ุงูŠุด ู…ุงู„ู‡ุง ุงูƒุจูŠุฑุฉ

26
00:02:45,130 --> 00:02:49,610
ููƒู„ ู…ูƒุงู† ู…ุณุชุทูŠู„ ุงูƒุชุฑ ูƒู„ ู…ูƒุงู† ุงู„ู„ูŠ ู‡ูˆ ุงู„ูุฑู‚ ููŠ

27
00:02:49,610 --> 00:02:55,010
ุงู„ู‚ูŠู… ุงูŠุด ุงูƒุชุฑframe difference is sometimes

28
00:02:55,010 --> 00:03:00,390
referred to as lens difference ุฅุฐุง ุงู„ุฅุฎุชู„ุงู ู…ุง ุจูŠู†

29
00:03:00,390 --> 00:03:04,990
ุงู„ู„ูŠ ู‡ูˆ ุงู„ a dimension ูˆ ุงู„ b dimension ุฃูŠุถุง ููŠ

30
00:03:04,990 --> 00:03:09,990
ุจุนุถ ุงู„ุฃุญูŠุงู† ุจูŠุดุงุฑ ู„ู‡ ุงู„ lens difference ุงุฎุชู„ุงู

31
00:03:09,990 --> 00:03:15,810
ุงู„ู„ูŠ ู‡ูˆ ุงู„ dimension ุงู„ู„ูŠ ู‡ูˆ ุฃุจุนุงุฏ ู…ู† ุงู„ุนุฏุณุฉ

32
00:03:15,810 --> 00:03:20,330
ู…ุณุชุทูŠู„

33
00:03:22,420 --> 00:03:26,180
rectangular ุงู„ู„ูŠ ู‡ูˆ ู…ุณุชุทูŠู„ุŒ ูƒู„ ู…ูƒุงู† ุงู„ู„ูŠ ู‡ูˆ

34
00:03:26,180 --> 00:03:30,620
ุงู„ู…ุณุชุทูŠู„ ุฃูƒุจุฑุŒ ูƒู„ ู…ูƒุงู† ุงู„ุฅุฎุชู„ุงู ุฃูƒุจุฑ ู…ุง ุจูŠู† ุงู„ู€A

35
00:03:30,620 --> 00:03:32,560
ูˆู…ุง ุจูŠู† ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€B

36
00:03:37,180 --> 00:03:42,640
ุงู„ู€ boxing system also makes it possible to define

37
00:03:42,640 --> 00:03:47,960
the distance between lenses ุงู„ุงู† ู„ูˆ ุงุญู†ุง ุนู…ู„ู†ุง

38
00:03:47,960 --> 00:03:52,500
geometric center ู…ู† ุงู„ู…ู†ุชุตู ูˆ geometric center ู…ู†

39
00:03:52,500 --> 00:03:56,900
ุงู„ู…ู†ุชุตู ุงู„ู…ุณุงูุฉ ู…ุง ุจูŠู†ู‡ู… ู‡ุฐูŠ ุงูŠุด ุจุชู…ุซู„ ู„ูŠู‡ุŸ ุงู„ู„ูŠ

40
00:03:56,900 --> 00:04:01,840
ู‡ูŠ ุนุจุงุฑุฉ ุนู† ุงู„ distance between lenses ุชู…ุงู…ุŸ ุงู„

41
00:04:01,840 --> 00:04:06,570
distance between lensesis the distance between the

42
00:04:06,570 --> 00:04:11,310
two boxes ูŠุนู†ูŠ ุงู„ู…ุณุงูุฉ ู…ุง ุจูŠู† ุงู„ two lenses ุงูˆ ุงู„

43
00:04:11,310 --> 00:04:17,550
two boxes when both lenses are boxed off in the

44
00:04:17,550 --> 00:04:21,770
frame ูŠุนู†ูŠ ู…ุง ูŠุชู… ุงู„ู„ูŠ ู‡ูˆ ุชุฌูŠู„ ุงู„ุนุฏุณุฉ ููŠ ุฏุงุฎู„ ู…ูŠู†

45
00:04:21,770 --> 00:04:28,550
ุงู„ุฅุทุงุฑ ุงูŠูˆุฉ ุจุณ ููŠ ุญุงู„ุฉ ู…ุง ูŠุชู… ุงู„ู„ูŠ ู‡ูˆ ูˆุถุน ุงู„ุนุฏุณุฉ

46
00:04:28,550 --> 00:04:32,130
ููŠ ุฏุงุฎู„ ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฅุทุงุฑ ุจูŠุตุจุญ ุงู„ู…ุณุงูุฉ ู…ู† ุงู„ center

47
00:04:32,130 --> 00:04:37,750
ู„ center ู„ู…ูŠู†ุŸ ู„ู„ุนุฏุณุฉุงู„ุงู† ูŠู…ุง ุงู†ุง ุจูƒูˆู† ุงู„ frame

48
00:04:37,750 --> 00:04:42,490
ุจุฏูˆู† ุงู„ู„ูŠ ู‡ูˆ ุนุฏุณุงุช ู‡ุฐุง ุจู†ุณู…ูŠ ุงู„ู„ูŠ ู‡ูˆ blank size

49
00:04:42,490 --> 00:04:46,730
ุชู…ุงู…ุŸ ูŠู…ุง ุจุงุฎุฏ ู…ู† ุงู„ center ู„ู„ center ู‡ุฐุง ุจุฏูˆู†

50
00:04:46,730 --> 00:04:50,150
ุนุฏุณุฉ ู…ุงููŠุด ุงูŠ ุนุฏุณุฉ ูุจู†ู‚ูˆู„ ุงู„ู„ูŠ ู‡ูˆ distance between

51
00:04:50,150 --> 00:04:55,640
boxing ุทูŠุจ ููŠ ุญุงู„ุฉ ูˆุฌูˆุฏ ุงู„ุนุฏุณุงุชูŠุนู†ูŠ ูŠูƒูˆู† ุงู„ุนุฏุณุฉ

52
00:04:55,640 --> 00:04:58,980
ู…ูˆุฌูˆุฏุฉ ููŠ ุฏุงุฎู„ ุงู„ู€ frame ุจุงุฎุฏ ุจุนู„ู… ุงู„ุนุฏุณุฉ ู…ู† ุงู„ู€

53
00:04:58,980 --> 00:05:03,400
center ู„ู„ู€ center ู„ุงู„ุนุฏุณุฉ ุงู„ู„ูŠ ู‡ูˆ ุงูŠู‡ ูู…ุฏูŠู†ูŠ ุงู„ู„ูŠ

54
00:05:03,400 --> 00:05:08,020
ู‡ูˆ distance between distance ุงูˆ ุงู„ู„ูŠ ู‡ูˆ ุจู†ุณู…ูŠู‡ ุงู„ู€

55
00:05:08,020 --> 00:05:13,280
frame bd ู…ุง ุจูŠู†ู‡ู… okay ุงู„ุงู† ุงุญู†ุง ุฌุงูŠ ู†ู‚ู„ู‡ ุงู„

56
00:05:13,280 --> 00:05:18,180
bridge size ุงู„ู„ูŠ ู‡ูŠ ู…ุณุงูุฉ ุจุณ ุงู„ูˆูŠู† ู‡ุงู… ุงู„ู…ู†ุทู‚ุฉ ู‡ุฐู‡

57
00:05:18,180 --> 00:05:23,980
ุงู„ bridge ุงู„ู„ูŠ ู‡ูŠ size ุงูˆ ุงู„ distance between lens

58
00:05:24,720 --> 00:05:30,820
is measured on the frame ูŠู…ูƒู† ู‚ูŠุงุณู‡ ุนู„ู‰ ุงู„ุฅุทุงุฑ as

59
00:05:30,820 --> 00:05:36,660
the distance from the inside nasal eye wire ูŠุนู†ูŠ

60
00:05:36,660 --> 00:05:40,620
ุงู„ุขู† ู…ู† ู…ู†ุทู‚ุฉ ุงู„ู„ูŠ ู‡ูŠ ุงู„ nasal ู„ู„ eye wire ุงู„ุฃูˆู„

61
00:05:40,620 --> 00:05:49,000
ุชู…ุงู… ุจุงู„ุดูƒู„ ู‡ุฐุง ู…ู† ุงู„ู…ู†ุทู‚ุฉ ู‡ุฐู‡ ุชู…ุงู… ู„ูˆูŠู† ุงู„ู…ู†ุทู‚ุฉ

62
00:05:49,000 --> 00:05:55,000
ุงู„ุชุงู†ูŠุฉagross across the bridge area at the

63
00:05:55,000 --> 00:06:01,480
norwest point ุงู„ู…ู†ุทู‚ุฉ ุงู„ุถูŠู‚ุฉ ู‡ุฐู‡ ุงู„ู„ูŠ ุจุชู…ุซู„ ุงู„

64
00:06:01,480 --> 00:06:05,740
bridge area ู‡ุงู„ูŠ ุจู†ุณู…ูŠู‡ุง bridge size ุงูˆ ุงู„

65
00:06:05,740 --> 00:06:09,940
distance between lenses ู…ุง ุจูŠู† ุงู„ู„ูŠ ู‡ูˆ ุงู„ุนุฏุณุชูŠู†

66
00:06:13,070 --> 00:06:17,890
ุทุจุนุง ุงู„ bridge size ุงูˆ ุงู„ distance between lenses

67
00:06:17,890 --> 00:06:22,290
ู‡ู‰ ูˆูŠู† ุจุชูƒูˆู† ู…ูˆุฌูˆุฏุฉุŸ ุนู„ู‰ ุงู„ุฅุทุงุฑ ู†ูุณู‡ ูŠุนู†ูŠ ู„ุงุฒู… ุนู„ู‰

68
00:06:22,290 --> 00:06:26,910
ุงู„ timble ุจุชุงุน ุงู„ุฅุทุงุฑ ูˆ ุงู„ุขู† ู‡ู†ุดูˆูู‡ุง ุงู†ู‡ ู„ุงุฒู… ูŠูƒูˆู†

69
00:06:26,910 --> 00:06:32,850
ูƒุชุจ ู„ูƒูŠุงู‡ุง ูŠุฏูŠุด ุงู„ู„ู‰ ู‡ูˆ ุงู„ู‚ูŠู…ุฉ ุงู„ุฎุงุตุฉ ููŠู‡ุง ุดุงูŠููŠู†

70
00:06:32,850 --> 00:06:41,060
ู‡ู‰ ุนู†ุฏู†ุง ุงู„ุขู† ุงู„ู…ุณุงูุฉ ู…ุง ุจูŠู† ุงู„ู„ู‰ ู‡ูˆุงู„ู€ two lenses

71
00:06:41,060 --> 00:06:45,380
ุงู„ู„ูŠ ู‡ูŠ ุจุชู…ุซู„ ููŠ ุงู„ bridge size ุนู†ุฏู†ุง ู…ู† ุงู„ู„ูŠ ู‡ูˆ

72
00:06:45,380 --> 00:06:49,920
ุงู„ุณูุฑ ู„ู„ู†ู‚ุทุฉ ุทุจุนุง ู‡ุฐู‡ ุงู„ู„ูŠ ู‡ูˆ ุงู„ nasal ู„ ุงู„ู„ูŠ ู‡ูˆ

73
00:06:49,920 --> 00:06:54,740
ุงู„ nasal here ู‚ุฏุดุงู† ุงู„ู‚ูŠู…ุฉุŸ ุงุชู†ูŠู† ูˆ ุนุดุฑูŠู† ู‚ุฑุฃู‡ุง

74
00:06:54,740 --> 00:06:58,580
ุงู„ู„ูŠ ู‡ูŠ ููŠ ุงู„ measurement okay ุงู„ุขู† ุงู„ุงุชู†ูŠู† ูˆ

75
00:06:58,580 --> 00:07:03,280
ุนุดุฑูŠู† ุงู†ุชูˆุง ุนุงุฑููŠู† ุงู„ุนุฏุณุฉ inside the meanThe frame

76
00:07:03,280 --> 00:07:06,940
ูŠุนู†ูŠ ููŠู‡ ู„ู‡ุง ุฌุฑูˆู ูŠุนู†ูŠ ุจู…ุนู†ู‰ ุงุฎุฑ ู„ู…ุง ุงุญู†ุง ุจู†ุฌุณ

77
00:07:06,940 --> 00:07:10,800
ุงู„ุนุฏุณุฉ ุจุนุฏ ุฐู„ูƒ ุจู†ุนู…ู„ ู„ู‡ุง ุฌุฑูˆู ุงูˆ ุงู„ู„ูŠ ู‡ูˆ bevel

78
00:07:10,800 --> 00:07:15,120
ูŠุนู†ูŠ ุจุชูƒูˆู† ุฏุงุฎู„ ุงู„ุนุฏุณุฉ ูุงู„ุงู† ู‡ุฐุง ุงู„ู‚ูŠู…ุฉ ุฌุฏูŠุด ูˆุงุญุฏ

79
00:07:15,120 --> 00:07:19,960
ู…ู„ูŠ ูุจุนุฏ ู…ุง ุงู†ุง ุจู‚ูŠุณ ุจุทุฑุญ ู…ู† ุงู„ู‚ูŠู…ุฉ ูˆุงุญุฏ ู…ู„ูŠ ูŠุนู†ูŠ

80
00:07:19,960 --> 00:07:29,500
ุจู…ุนู†ู‰ ู†ุต ู…ู„ูŠ ู…ู† ู‡ู†ุง minus ู†ุต ูˆู…ู† ู‡ู†ุง minus ู†ุตู‡ู„ุฌุฏ

81
00:07:29,500 --> 00:07:36,320
ุนู„ู‰ ุงู„ ruler ุงู„ู„ู‰ ู‡ู‰ ุงู„ู…ุตุฏุฑ ู‚ุฏุงุด ุฌุงู†ุฉ ุงู„ู‚ูŠู…ุฉ ุงุชู†ูŠู†

82
00:07:36,320 --> 00:07:39,920
ูˆ ุนุดุฑูŠู† ุทุฑุญู†ุง ู…ู† ู‡ุงู„ู†ุต ูˆ ู…ู† ู‡ุงู„ู†ุต ุงู„ู„ู‰ ู‡ูˆ ุนุจุงุฑุฉ ุนู†

83
00:07:39,920 --> 00:07:44,860
ูˆุงุญุฏ ุงุฐุง ุงู„ู‚ูŠู…ุฉ ุฌุฏุงุด ูˆุงุญุฏ ูˆ ุนุดุฑูŠู† ู…ู„ูŠ ู‡ุฏู‰ ุงู„

84
00:07:44,860 --> 00:07:49,040
bridge size ู‡ุชู„ุงู‚ูŠู‡ุง ู…ูƒุชูˆุจุฉ ูˆูŠู† ุนู„ู‰ ุงู„ temple ุจุชุงุน

85
00:07:49,040 --> 00:07:54,470
ุงู„ุฅุทุงุฑู‡ูŠ ุนู†ุฏู†ุง ุงู„ู‚ูŠู…ุฉ ู‡ูŠ ุนุจุงุฑุฉ ุนู† ูˆุงุญุฏ ู…ู„ูŠ ุงู„

86
00:07:54,470 --> 00:08:06,850
bridge size ุงูˆ ุงู„ distance between lenses okay the

87
00:08:06,850 --> 00:08:12,630
distance between the two geometric centers of the

88
00:08:12,630 --> 00:08:18,010
lens of the lenses is known as the geometric

89
00:08:18,010 --> 00:08:19,790
center distance

90
00:08:22,370 --> 00:08:26,230
ุงู„ุงู† ู„ูˆ ุฃุฎุฏู†ุง ู…ู†ุชุตู ุงู„ุนุฏุณุฉ ู…ู† ู‡ู†ุง ู…ู† ุงู„ right ูˆ

91
00:08:26,230 --> 00:08:30,610
ู…ู†ุชุตู ุงู„ุนุฏุณุฉ ู…ู† ุงู„ left ุงู„ู…ุณุงูุฉ ู…ุง ุจูŠู†ู‡ู… ู‡ุฐู‡ ุจุชู…ุซู„

92
00:08:30,610 --> 00:08:35,690
ุงู„ geometric center distance ุงูˆ ุงู„ frame BD ุงูˆ ุงู„

93
00:08:35,690 --> 00:08:40,750
boxing ุงู„ู„ูŠ ู‡ูˆ center distance okay it can be

94
00:08:40,750 --> 00:08:46,640
measuredIt can be measured more easily as the

95
00:08:46,640 --> 00:08:51,040
distance from the far left side of one lens

96
00:08:51,040 --> 00:08:56,000
opening to the far left side of the other ู…ู…ูƒู†

97
00:08:56,000 --> 00:09:00,980
ุงู„ุขู† ู‡ุงูŠ ุงู„ุฅุทุงุฑ ุฃู…ุงู…ูŠ ู…ู† ุงู„ูŠู…ูŠู† ุชู…ุงู… ุงู„ู…ู†ุทู‚ุฉ

98
00:09:00,980 --> 00:09:07,260
ุงู„ุฃุฎูŠุฑุฉ ู„ุญุฏ ุฏูŠ ุงูŠุด ุงู„ rim ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฃูˆู„ ู„ู„ุนู†ุตุฑ

99
00:09:07,260 --> 00:09:09,620
ุงู„ุชุงู†ูŠ ูŠุนู†ูŠ ุงู„ุดูƒู„

100
00:09:12,920 --> 00:09:18,020
ู‡ุฐู‡ ู‡ู„ุฌูŠุช ู…ุด ู‡ุงู† ููŠู‡ ู…ู…ูƒู† ุงุฎุฏู‡ุง ู…ู† ู‡ุงู† ุงู„ rim ู‡ุฐุง

101
00:09:18,020 --> 00:09:22,420
ู„ุญุฏ ุฏูŠุช ุงู„ rim ู‡ุฐุง ู‡ุฐูŠ ุจุชู…ุซู„ ุนุจุงุฑุฉ ุนู† ู…ูŠู† ุงู„ู„ูŠ ู‡ูˆ

102
00:09:22,420 --> 00:09:26,100
ุงู„ boxing center distance ุงูˆ ุงู„ geometric center

103
00:09:26,100 --> 00:09:30,060
distance ุทุจุนุง ุงู†ุง ู„ูˆ ู…ุงุงุฎุฏุชุด ู…ู† ูˆูŠู† ู…ู† ุงู„ center ู„

104
00:09:30,060 --> 00:09:34,740
ุงู„ center okay ูŠุนู†ูŠ ู‡ุฐูŠ ุจุชุนุชุจุฑ ุงู„ู„ูŠ ู‡ูˆ ุงุณู‡ู„ ูˆูŠู†

105
00:09:34,740 --> 00:09:39,860
ุงุณู‡ู„ ู„ูˆ ูƒุงู† ุงู†ุง ู…ุงุนู†ุฏูŠุด ุนุฏุณุงุช ุจุงู„ุดูƒู„ ู‡ุฐุงู…ุงููŠุด ุนุฏุณุฉ

106
00:09:39,860 --> 00:09:45,800
ููŠ ุฏุงุฎู„ ุงู„ุฅุทุงุฑ ุจุงุฎุฏ ู…ู† ุงู„ุฑู… ุงู„ุฎุงุฑุฌูŠ ู„ู„ุฑู… ุงู„ุฏุงุฎู„ูŠ

107
00:09:45,800 --> 00:09:51,040
ู…ู† ุงู„ right ู„ู„ left ุฃูˆ ู…ู† ุงู„ left ู„ู„ right ู‡ู†ุทุจู‚

108
00:09:51,040 --> 00:09:59,740
ู‡ุฐู‡ ุงู„ุดูŠุก ุจุดูƒู„ ุนู…ู„ูŠ ุงู„ูŠูˆู… ุฅู† ุดุงุก ุงู„ู„ู‡ ููŠ ุงู„ู…ุนู…ู„ Or

109
00:09:59,740 --> 00:10:06,180
adding the I size to theDistance between lenses ุฃูˆ

110
00:10:06,180 --> 00:10:10,040
ุจุฏู†ุง ู†ุถูŠู ุงู„ู„ูŠ ู‡ูˆ ู‚ูˆู„ู†ุง ุงู„ I size ุนุจุงุฑุฉ ุนู† ุฅูŠุด

111
00:10:10,040 --> 00:10:16,400
ุจุงู„ุถุจุท ุงู„ู„ูŠ ู‡ูˆ ุงู„ A dimension ุจุฏู†ุง ู†ุนู…ู„ ุฅุถุงูุฉ ู„ู‡ุง

112
00:10:16,400 --> 00:10:21,340
ู„ู…ูŠู† ู„ู„ distance ุงู„ู„ูŠ ู‡ูŠ between lenses ุงู„ู„ูŠ ู‡ูŠ

113
00:10:21,340 --> 00:10:23,000
ุนุจุงุฑุฉ ุนู† ุงู„ frame BD

114
00:10:25,540 --> 00:10:32,880
ุทูŠุจ ุงู„ุขู† ุงู„ู€ geometric center distance ููŠู‡ ู…ุณู…ูŠุงุช

115
00:10:32,880 --> 00:10:37,800
ุฃุฎุฑู‰ ู‡ูŠ ุนุจุงุฑุฉ ุนู† ุงู„ distance between lenses

116
00:10:37,800 --> 00:10:42,320
ุงู„ู…ุณุงูุฉ ู…ุง ุจูŠู† ุงู„ู„ูŠ ู‡ูˆ ุงู„ุนุฏุณุชูŠู† ุฃูˆ ุจู†ุณู…ูŠู‡ุง ุงู„

117
00:10:42,320 --> 00:10:47,760
frame BD ุฃูˆ ุจู†ุณู…ูŠู‡ุง ุงู„ frame center distance ูƒู„

118
00:10:47,760 --> 00:10:51,640
ู‡ุฐู‡ ุนุจุงุฑุฉ ุนู† another name ู„ู…ูŠู† ู„ู€geometric center

119
00:10:51,640 --> 00:10:56,160
distance ุฃูˆ ุงู„ boxing ุงู„ู„ูŠ ู‡ูˆ center distanceOkay

120
00:10:56,160 --> 00:11:01,720
The

121
00:11:01,720 --> 00:11:07,320
term frame PD is commonly used in dispensing ุฏุงูŠู…ุง

122
00:11:07,320 --> 00:11:12,000
ุงู„ frame PD ุชุน ุงู„ุนุฏุณุฉ ุฃูˆ ุชุน ุงู„ุฅุทุงุฑ ุงุญู†ุง ูˆูŠู†

123
00:11:12,000 --> 00:11:15,220
ุจู†ุณุชุฎุฏู…ู‡ุŸ ููŠ ุนู…ู„ูŠุฉ ู‚ุต ุงู„ู†ุถุงุฑุฉ

124
00:11:28,100 --> 00:11:33,000
ูˆู‡ูˆ ู…ุง ุจูŠู‚ูˆู„ุด ุนู„ุงู‚ุฉ ููŠ ู…ูŠู† ููŠ ุงู„ IBD ุจุชุงุน ุงู„ู…ุฑูŠุถ

125
00:11:33,000 --> 00:11:36,220
ู„ูƒู† ูˆู‚ุช ุฅูŠุด ุจูŠุตูŠุฑ ุงู„ุชู†ูŠู† ููŠ ุจูŠู†ู‡ู… relationship

126
00:11:36,220 --> 00:11:40,660
ูŠุนู†ูŠ ู…ุซู„ุง ุงู„ู…ุฑูŠุถ ุนู†ุฏู‡ ุฒูŠ ู…ุง ุฃุฎุฏู†ุง ุงู„ู…ุซุงู„ ุงู„ุณุงุจู‚

127
00:11:42,270 --> 00:11:47,690
ู…ุซุงู„ ุงู†ู‡ ุจูŠูƒูˆู† ุนู†ุฏู‡ ุงู„ู€ IBD 62 ูˆุงู„ู€ frame PD 72

128
00:11:47,690 --> 00:11:51,090
ุงู„ูุฑู‚ ู…ุง ุจูŠู†ู‡ู… ุนุดุงู† ู†ุนู…ู„ ุงูŠู‡ ุงู„ู€ Decentration

129
00:11:51,090 --> 00:11:56,170
ุชู…ุงู…ุŸ ู„ูƒู† ููŠ ุงู„ูˆุถุน ุงู„ุทุจูŠุนูŠ ู…ุงููŠุด ููŠู‡ ุงูŠ ุชุนู„ุงู‚ุฉ ู…ุง

130
00:11:56,170 --> 00:12:00,130
ุจูŠู† ู‚ูŠู…ุฉ ุงู„ู€ frame PD ูˆุงู„ู€ IBD ู„ุฃู† ู‡ุฐุง ู‡ูŠูƒูˆู†

131
00:12:00,130 --> 00:12:04,390
ู„ู„ุฅุทุงุฑ ูˆู‡ุฐุง ู…ุชุนู„ู‚ ููŠ ู…ูŠู†ุŸ ููŠ ุงู„ู„ูŠ ู‡ูˆ ุงู„ IBD ุจุชุงุน

132
00:12:04,390 --> 00:12:04,790
ุงู„ patient

133
00:12:11,190 --> 00:12:16,230
ู‡ูŠ ุนู†ุฏู†ุง ุงู„ุดูƒู„ ู‡ุฐุง ุทุจุนุง ุงู„ู„ูŠ ุญูƒูŠุชู„ูƒู… ุนู†ู‡ ุงู„ู„ูŠ ู‡ูˆ

134
00:12:16,230 --> 00:12:19,490
ุงู„ู€ Geometric Center Distance ุฃูˆ ุงู„ู€ Frame ุจูŠุฏูŠ

135
00:12:19,490 --> 00:12:25,950
ุจุงุฎุฏ ู…ู† ุงู„ุทุฑู ู‡ุฐุง ู„ุทุฑู ู‡ุฐุง ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ FrameูŠุนู†ูŠ

136
00:12:25,950 --> 00:12:32,550
ู…ู† ุงู„ outside ู‡ู†ุง ู„ู„ outside ู‡ู†ุง ุฃูˆ ู…ุซู„ุง ู…ู† ุงู„

137
00:12:32,550 --> 00:12:39,110
outside ู‡ุฐุง ู„ู„ outside ุชุงุน ุงู„ุฅุทุงุฑ ุงู„ุขุฎุฑ ุฃูˆ ู…ุซู„ุง ู…ู†

138
00:12:39,110 --> 00:12:42,330
ุงู„ center ู„ู„ center ุงู„ู„ูŠ ู‡ูˆ ุนุจุงุฑุฉ ุนู† ุงู„ geometric

139
00:12:42,330 --> 00:12:46,730
center distance ุฃูˆ ุงู„ frame ุจูŠุฏูŠ ุฃูˆ ุงู„ distance

140
00:12:46,730 --> 00:12:48,290
between center

141
00:12:53,180 --> 00:12:58,120
ุทูŠุจุŒ ุงู„ุขู† ู‡ู†ุชู‚ู„ ู„ู…ูˆุถูˆุน ุงู„ timble ุงู„ู„ูŠ ู‡ูˆ length

142
00:12:58,120 --> 00:13:04,980
ุทูˆู„ ุงู„ู„ูŠ ู‡ูˆ ู…ูŠู† ุงู„ timble ุฃูˆ ุงู„ side Most timbles

143
00:13:04,980 --> 00:13:09,840
are currently marked with the total or overall

144
00:13:09,840 --> 00:13:16,860
timble length ูŠุนู†ูŠ ุงู„ุขู† ุงุญู†ุง ุจู†ุดูŠุฑ ู„ูƒู„ ุงู„ู„ูŠ ู‡ูˆ ุทูˆู„

145
00:13:16,860 --> 00:13:20,700
ุงู„ side ุฃูˆ ุงู„ timble ู‡ูˆ ุนุจุงุฑุฉ ุนู† ุงู„ timble length

146
00:13:21,760 --> 00:13:25,320
ุงู„ู€ total ุงู„ู„ูŠ ู‡ูˆ timbre length ุฃูˆ ุงู„ overall

147
00:13:25,320 --> 00:13:31,480
timbre ุงู„ู„ูŠ ู‡ูˆ length okay? timbre length may be

148
00:13:31,480 --> 00:13:35,340
measured in one of the following ways ูŠุนู†ูŠ ูŠู…ูƒู†

149
00:13:35,340 --> 00:13:40,800
ุงู„ู„ูŠ ู‡ูˆ ู‚ูŠุงุณู‡ ุจุฅุญุฏู‰ ุงู„ู„ูŠ ู‡ูˆ ุงู„ุทุฑู‚ ูƒูŠู ุทูŠุจุŸ the

150
00:13:40,800 --> 00:13:46,960
overall timbre length is the distance from the

151
00:13:46,960 --> 00:13:47,720
center

152
00:13:51,820 --> 00:13:56,980
of the center of the center barrel screw ุดุงูŠููŠู† ู‡ูŠ

153
00:13:56,980 --> 00:14:03,200
ู…ู†ุชุตู ุงู„ู„ูŠ ู‡ูˆ ู…ูŠู† ุงู„ screw ู‡ุฐุง ู„ู†ู‡ุงูŠุฉ ุงู„ู„ูŠ ู‡ูˆ ู…ูŠู†

154
00:14:03,200 --> 00:14:08,500
ุงู„ bend ุงู„ู…ูŠู„ุงู† ุงู„ุฎุงุต ููŠ ุงู„ timble ู‡ุฐู‡ ุงู„ู…ุณุงูุฉ ูƒู„

155
00:14:08,500 --> 00:14:12,600
ู‡ูŠุชุง ุงูŠุด ุจุชู…ุซู„ ู„ูŠู‡ ุงู„ overall timble ุงู„ู„ูŠ ู‡ูˆ

156
00:14:12,600 --> 00:14:18,100
length ุงุฐุง ู…ู† ู…ู†ุชุตู ุงู„ู„ูŠ ู‡ูˆ ุงู„ screw ู‡ุฐุง ู„ู†ู‡ุงูŠุฉ

157
00:14:18,100 --> 00:14:19,080
ุงู„ู„ูŠ ู‡ูˆ ุงู„ู…ูŠู„ุงู†

158
00:14:34,670 --> 00:14:41,310
ุงู„ู†ู‡ุงูŠุฉ ู…ูŠู† ุงู„ู…ูŠู„ุงู†ุŸุทูŠุจ major along the center of

159
00:14:41,310 --> 00:14:46,550
the temple ุฃูˆ ุจู†ุณู…ูŠ ุงู„ู„ูŠ ู‡ูˆ ุงู„ total length of

160
00:14:46,550 --> 00:14:58,610
temple ุฃูˆ ุจู†ุณู…ูŠ ุงู„ overall length of temple ูƒุงู†

161
00:14:58,610 --> 00:15:04,400
ููŠ ุทุฑูŠู‚ุฉูŠุนู†ูŠ ุงู„ู„ูŠ ู‡ูŠ ู‚ุฏูŠู…ุง ุงูˆ ุงู„ู„ูŠ ู‡ูˆ older system

162
00:15:04,400 --> 00:15:09,260
ุงูˆ older ุงู„ู„ูŠ ู‡ูˆ method ู…ู† ุฎู„ุงู„ู‡ุง ุจุชู… ุงู„ู„ูŠ ู‡ูˆ ู‚ูŠุงุณ

163
00:15:09,260 --> 00:15:15,280
ุงู„ length to bend ูŠุนู†ูŠ ุจุณ ุงู„ู„ูŠ ู‡ูˆ ุงู„ู…ู†ุทู‚ุฉ ุงู„ู…ุงุฆู„ุฉ

164
00:15:15,280 --> 00:15:18,880
ุชู…ุงู…ุŸ

165
00:15:18,880 --> 00:15:23,000
an old .. an older method of measuring temple

166
00:15:23,000 --> 00:15:27,620
length is in terms of the length to bend

167
00:15:30,490 --> 00:15:35,690
length ุงู„ู‡ูˆ timble bend ูŠุนู†ูŠ ูู‚ุท ุงู„ู„ูŠ ู‡ูˆ ู…ู† ู…ู†ุทู‚ุฉ

168
00:15:35,690 --> 00:15:40,410
ุงู„ู…ูŠู„ุงู† ู‡ุฐู‡ ู„ุญุฏ ุฏูŠุช ุงู„ู„ูŠ ู‡ูˆ ุงู„ู†ู‡ุงูŠุฉ ู‡ุฐู‡ ุนุจุงุฑุฉ ุนู†

169
00:15:40,410 --> 00:15:52,370
ู…ูŠู†ุŸ ุงู„ length timble ุงู„ู„ูŠ ู‡ูˆ bend length timble

170
00:15:52,370 --> 00:15:56,250
bend

171
00:15:57,870 --> 00:16:04,950
ู‡ุฐู‡ ูƒุงู†ุช ุทุฑูŠู‚ุฉ ู‚ุฏูŠู…ุฉ ู„ู‚ูŠุงุณ ู…ู† ุงู„ู„ูŠ ู‡ูˆ ูู‚ุท ุงู„ู…ุณุงูุฉ

172
00:16:04,950 --> 00:16:11,550
ู‡ุฐู‡ ุฏูˆู† ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฌุฒุก ุงู„ุขุฎุฑ ู„ูƒู† ุงู„ู„ูŠ ุจูŠูƒูˆู† ู…ูƒุชูˆุจ

173
00:16:11,550 --> 00:16:15,330
ุนู„ู‰ ุงู„ุฅุทุงุฑ ุงู„ุขู† ูƒู„ู‡ ุงู„ู„ูŠ ู‡ูˆ ุงู„ timbre length ูƒุงู…ู„

174
00:16:15,330 --> 00:16:19,190
ุจุชู„ุงู‚ูŠ ุฑู‚ู… ู…ุซู„ุง ู…ูŠุฉ ูˆ ุฎู…ุณุฉ ูˆ ุนุดุฑูŠู† ุงูˆ ู…ูŠุฉ ูˆ ุชู„ุงุชูŠู†

175
00:16:19,190 --> 00:16:23,010
ุงูŠ ูˆุงุญุฏุฉ ููŠูƒู… ู„ุงุจุณุฉ ู†ุถุงุฑุฉ ุชุทู„ุน ุนู„ู‰ ุงู„ุฑู‚ู… ุจุชู„ุงู‚ูŠ ุงู„

176
00:16:23,010 --> 00:16:26,430
code ู…ูƒุชูˆุจ ู…ูŠุฉ ูˆ ูƒุฐุง ู‡ุฐุง ุจู…ุนู†ู‰ ุงู„ู„ูŠ ู‡ูˆ ุงู„ total

177
00:16:26,780 --> 00:16:34,400
Length ุงู„ู‡ูˆ ุงูŠู‡ ุชู…ุจู„ ุชู…ุงู… ุงูˆ

178
00:16:34,400 --> 00:16:44,400
ุจูŠุงุฎุฏู‡ุง ู…ู† ุงู„ู„ูŠ ู‡ูˆ ุงู„ screw ู„ู†ู‡ุงูŠุฉ ู…ู† ุงู„ bend ุทุจุนุง

179
00:16:44,400 --> 00:16:48,680
ููŠ ู‡ู†ุงูƒ ุงู„ู„ูŠ ู‡ูˆ ู…ุตุทุฑุฉ ุฎุงุตุฉ ู„ุนู…ู„ูŠุฉ ุงู„ู„ูŠ ู‡ูˆ ุงู„ู‚ูŠุงุณ

180
00:16:48,680 --> 00:16:53,660
ุณูˆุงุก ูƒุงู† ุงู„ total ุงู„ู„ูŠ ู‡ูˆ length ุชู…ุจู„ ุงูˆ ุงู„ู„ูŠ ู‡ูˆ

181
00:16:54,150 --> 00:17:01,370
ุงู„ู€ Timble ุงู„ู„ูŠ ู‡ูˆ ูู‚ุท Bend okay

182
00:17:01,370 --> 00:17:08,470
most frames are marked according to size with

183
00:17:08,470 --> 00:17:14,290
three measurements ูŠุนู†ูŠ ู…ุนุธู… ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฅุทุงุฑุงุช ุจุชู…

184
00:17:14,290 --> 00:17:18,690
ุงู„ู„ูŠ ู‡ูˆ ุชุนู„ูŠู…ู‡ุง ุจู†ุงุก ุนู„ู‰ ุชู„ุช ุงู„ู„ูŠ ู‡ูˆ ู…ู‚ุงูŠูŠุณ

185
00:17:18,690 --> 00:17:24,740
ุงู„ู…ู‚ูŠุงุณ ุงู„ุฃูˆู„ ุงู„ I size ุงู„ู„ูŠ ู‡ูˆ ุจูŠู…ุซู„ุงู„ู€ A

186
00:17:24,740 --> 00:17:29,420
dimension ุชู…ุงู… ุงู„ู†ู‚ุทุฉ ุงู„ุชุงู†ูŠุฉ ุงู„ distance between

187
00:17:29,420 --> 00:17:36,040
lenses ุงู„ู„ูŠ ู‡ูˆ ุจูŠู…ุซู„ ู…ูŠู† ุงู„ frame BD ุชู…ุงู… ูˆ ุงู„

188
00:17:36,040 --> 00:17:40,560
temple length ุงู„ู„ูŠ ู‡ูˆ ุนุจุงุฑุฉ ุนู† ุทูˆู„ ุฅูŠุด ุงู„ side

189
00:17:40,560 --> 00:17:44,760
ุงู„ุฎุงุต ููŠ ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฅุทุงุฑ ุงู„ุชู„ุช ู…ุนู„ูˆู…ุงุช ู‡ุฏูˆู„ ุฌู…ุงุนุฉ

190
00:17:44,760 --> 00:17:48,520
ุจูŠูƒูˆู†ูˆุง ู…ูƒุชูˆุจุงุช ูˆูŠู† ุนู„ู‰ ุงู„ temple ุงู„ุฎุงุต ููŠ ุงู„ู„ูŠ ู‡ูˆ

191
00:17:48,520 --> 00:17:49,660
ุงู„ frame ุทูŠุจ

192
00:17:53,770 --> 00:17:59,890
when a frame marking such as ุทุจุนุง ู‡ุฐู‡ ุจุชู‚ุฑุฃ fifty

193
00:17:59,890 --> 00:18:06,330
ู…ุฑุจุน ุงู„ู„ูŠ ู‡ูˆ twenty ุงู„ุงู† ู…ุฌู…ูˆุนู‡ู… ุงูŠุด ุจูŠูƒูˆู† ูŠุนู†ูŠ

194
00:18:06,330 --> 00:18:10,550
ุงู„ุฎู…ุณูŠู† ุฒุงุฆุฏ ุงู„ุนุดุฑูŠู† ุจูŠุฏูŠู† ุงู„ frame ุจูŠุฏูŠ ุงูˆ ุงู„

195
00:18:10,550 --> 00:18:13,810
geometric center distance ุงูˆ ุงู„ distance between

196
00:18:13,810 --> 00:18:19,270
lenses ุชู…ุงู…ุŸ ุฎู„ูŠู†ุง ู†ู‚ูˆู„ ุงู„ frame ุจูŠุฏูŠ ูŠุนู†ูŠ ุนู†ุฏู†ุง

197
00:18:19,270 --> 00:18:23,110
ุงู„ุนุดุฑูŠู† ุงูˆ ุงู„ุฎู…ุณูŠู† ุฒุงุฆุฏ ุงู„ุนุดุฑูŠู†

198
00:18:30,070 --> 00:18:37,470
ุงู„ู„ูŠ ู‡ูˆ ุจุณุงูˆูŠ ุณุจุนูŠู† ู…ู„ูŠ ู…ูŠุชุฑ ู‡ุฐุง ุจูŠู…ุซู„ ุงู„ frame BD

199
00:18:37,470 --> 00:18:43,070
ุงู„ู„ูŠ ู‡ูˆ ุนุจุงุฑุฉ ุนู† ุงู„ distance between lenses it

200
00:18:43,070 --> 00:18:47,810
means that the eye size ุงู„ eye size ูŠุนู†ูŠ ุฅูŠุด

201
00:18:47,810 --> 00:18:52,390
ุงู„ู…ู‚ุตูˆุฏ ููŠู‡ุง ุงู„ a dimension ุชู…ุงู… ุฌุฏู‘ูŠุด ุงู„ a

202
00:18:52,390 --> 00:19:00,100
dimension ุงู„ู„ูŠ ู‡ูŠ ุงู„ุฎู…ุณูŠู† ุฃูˆ ุงู„ eye sizeูˆุงู„ุชู‚ุงุฑูŠุฑ

203
00:19:00,100 --> 00:19:07,820
ุจูŠู† ุงู„ุงู†ุฒู„ุงุช ุงู„ุจุฑุฌ

204
00:19:07,820 --> 00:19:14,300
ุตูุฑ ุงู„ุงู†ุฒู„ุงุช ุงู„ุจุฑุฌ ุตูุฑ ุงู„ุงู†ุฒู„ุงุช ุงู„ุจุฑุฌ ุตูุฑ ุงู„ุงู†ุฒู„ุงุช

205
00:19:14,300 --> 00:19:17,960
ุงู„ุจุฑุฌ

206
00:19:17,960 --> 00:19:20,280
ุตูุฑ

207
00:19:22,040 --> 00:19:26,900
ูˆ ุฃูŠ ุชุฃูŠุทุงุฑ ู„ุงุจุฏ ุงู† ุงู†ุช ุชุดุฑูŠู‡ ู„ุงุฒู… ุงู† ูŠูƒูˆู† ู…ูƒุชูˆุจ

208
00:19:26,900 --> 00:19:32,840
ุนู„ูŠู‡ ุนู†ุฏู†ุง ูˆุงุญุฏ ุงู„ distance ุงู„ู„ูŠ ู‡ูˆ between lenses

209
00:19:32,840 --> 00:19:37,820
ุงู„ eye size ุงูˆ ุงู„ a dimension ุจุงู„ุงุถุงูุฉ ู„ ุงู„ bridge

210
00:19:37,820 --> 00:19:38,580
size

211
00:19:47,610 --> 00:19:52,350
ุงู„ู€ eye size and distance between lenses are

212
00:19:52,350 --> 00:20:02,170
sometimes simply marked 50-20 or 50 over 20 ูŠุนู†ูŠ

213
00:20:02,170 --> 00:20:05,910
ููŠ ุฃูƒุชุฑ ู…ู† ุงู„ู„ูŠ ู‡ูˆ ุงู„ style ูŠู…ูƒู† ุงู„ู„ูŠ ู‡ูˆ ุนู„ูŠู‡

214
00:20:05,910 --> 00:20:10,530
ูƒุชุงุจุฉ ุฅูŠุด ุงู„ eye size ุงู„ a dimension ุฃูˆ ุงู„ a

215
00:20:10,530 --> 00:20:14,430
dimension ุจุงู„ุฅุถุงูุฉ ู„ู„ distance between lenses ูˆ ุงู„

216
00:20:14,430 --> 00:20:20,050
frame bdูŠุนู†ูŠ ุงูŠ ุทุฑูŠู‚ุฉ ู…ู† ู‡ุฏูˆู„ ุดุงูŠููŠู†ุŸ ู‡ุฐู‡ ุงู„ู€140

217
00:20:20,050 --> 00:20:26,530
ุงูŠุด ุจุชู…ุซู„ุŸ ุงู„ over all ุชู…ุจู„ ุงู„ู„ูŠ ู‡ูˆ length ู‡ูŠูƒ

218
00:20:26,530 --> 00:20:31,970
ุจุฏู†ุง ู†ุญูุธู‡ู… over all ุชู…ุงู… ุชู…ุจู„ ุงู„ู„ูŠ ู‡ูˆ length ุงูˆ

219
00:20:31,970 --> 00:20:37,070
ุงู„ total ุชู…ุจู„ length ุนู†ุฏู†ุง ู‡ูŠู‡ุงู† ุฎู…ุณูŠู† ุชู…ุงู…

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ุงู„ุฎู…ุณูŠู† ู‡ุฐู‡ ุงูŠุด ุจุชู…ุซู„ุŸุงู„ู€ I size ู…ุฑุจุน ุงู„ู„ูŠ ู‡ูˆ ู…ุซู„ุง

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16 ุงูŠุด ุจุชู…ุซู„ ุงูˆ ุงู„ bridge size ุงู„ู…ุฌู…ูˆุน ุจุชุงุนู‡ู… ุงูŠุด

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ุจูŠู…ุซู„ ุงู„ frame ุจูŠุฏูŠ ุทูŠุจ

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ุนู†ุฏู†ุง measuring the intra pupillary distance ู‚ูŠุงุณ

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ุงู„ู…ุณุงูุฉ ู…ุง ุจูŠู† ุงู„ู„ูŠ ู‡ูˆ ุงูŠู‡ ุงู„ุนูŠู† ูˆ ุงู„ุฃุฎุฑู‰ ุจุงู„ู†ุณุจุฉ

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ู„ู„ู…ุฑูŠุถูŠุนู†ูŠ ุจู…ุนู†ู‰ ุงู„ IPD The anatomic PD or

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pupillary distance is the distance from the center

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of one pupil to the center of the other pupil ูŠุนู†ูŠ

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ุงู„ู…ุณุงูุฉ ู…ุง ุจูŠู† ู…ู†ุชุตู ุงู„ู„ูŠ ู‡ูˆ ุงู„ุนูŠู† ุงู„ูŠู…ู†ู‰ ู„ู…ู†ุชุตู

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ุงู„ู„ูŠ ู‡ูˆ ุงู„ุนูŠู† ุงู„ูŠุณุฑุฉูƒูŠู ุจูŠู‚ุงุณ ุจุงู„ millimeters?

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before ordering

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a prescription glasses ูŠุนู†ูŠ ู‚ุจู„ ู…ุง ุฃู†ุง ุจุฏูŠ ุฃูˆุตู

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ุงู„ู„ูŠ ู‡ูˆ ูˆุตูุฉ ุงู„ู†ุถุงุฑุฉor even before doing a visual

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examination ุฃูˆ ู‚ุจู„ ู…ุง ุงู†ุง ุจุฏูŠ ุงุนู…ู„ ุงู„ู„ูŠ ู‡ูˆ ูุญุต ุทุจูŠ

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ุทุจุนุง ู‡ุงู† ุงู„ visual examination ู…ู…ูƒู† ู…ุซู„ุง ู…ู† ุฎู„ุงู„

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ุงู„ trial a frame ุตุญ ูˆู„ุง ู„ุฃ ุฒูŠ ู…ุง ุงุญู†ุง ุจู†ุนู…ู„ ุงูˆ ู…ู†

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ุฎู„ุงู„ ุงู„ููˆุฑุจุชุฑ

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ุฃูŠ visual examination ุจูˆุงุญุฏุฉ ู…ู† ู‡ุฏูˆู„ ุงู„ุทุฑู‚ุŒ ูŠุนู†ูŠ

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ุณูˆุงุก ูƒุงู† objective ุฃูˆ subjective methodุŒ the

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distance between the pupils must be determined

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ู„ุงุฒู… ุฃู†ุง ุฃุญุฏุฏ ู‚ุฏุงุด ู‚ูŠู…ุฉ ู…ูŠู† ุงู„ IBD ุจุชุงุนุฉ ุงู„ู…ุฑูŠุถุฅุฐุง

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ุงู„ุฎุทูˆุฉ ุงู„ุฃูˆู„ู‰ ู‚ุจู„ ู…ุง ูŠุชู… ูˆุตู ุฃูŠ ู†ุถุงุฑุฉ ู„ู„ู…ุฑูŠุถ ู„ุงุจุฏ

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ู…ู† ุชุญุฏูŠุฏ ุงู„ IBD ุฃูˆ ุงู„ BD ู„ู‡ุฐุง ุงู„ุดุฎุต

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it can be measured in variety of ways ู‡ู†ุงูƒ ุทุฑู‚

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ู…ุฎุชู„ูุฉ ู„ู‚ูŠุงุณ ู…ูŠู†ุงู„ู€ IBD ุงู…ุง ุนู† ุทุฑูŠู‚ ุงู„ู„ูŠ ู‡ูˆ

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ุงู„ู…ุตุทุฑุฉ ุชู…ุงู… ุงูˆ ู…ุซู„ุง ุนู† ุทุฑูŠู‚ ุงู„ู€ autorif

246
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keratometer ุงูˆ ู…ู…ูƒู† ู…ุซู„ุง ุนู† ุทุฑูŠู‚ ุงู„ู„ูŠ ู‡ูˆ .. ู†ุนู… ุงูˆ

247
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ุงู„ู„ูŠ ู‡ูˆ ู…ู…ูƒู† ุฌู‡ุงุฒ ุงู„ุจุงุจู„ูˆู…ูŠุชุฑ ุงู„ู„ูŠ ู‡ู†ุงุฎุฏู‡ ููŠ ุงู„ู„ูŠ

248
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ู‡ูˆ ู…ุนู…ู„ ุงู„ู€ dispensing ุงู† ุดุงุก ุงู„ู„ู‡ ููŠู…ุง ุจุนุฏ

249
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ุทูŠุจ failure to accurately determine the intra

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pupillary distance ุงู„ุงู† ุงู†ุง ู‚ุตุฏ ุงู„ IBD ู„ูƒู† ูƒุงู† ุบูŠุฑ

251
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ุตุญูŠุญ ุงูˆ ูƒุงู† ู‚ูŠุงุณ ุงู„ IBD ุบูŠุฑ ุงู„ู„ูŠ ู‡ูˆ ูˆุงู‚ุนูŠ ุงูˆ ุบูŠุฑ

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ุฏู‚ูŠู‚ ุชู…ุงู… ุงูŠุด ู‡ุฐุง ุจูŠู†ุชุฌ? Misplacement of the

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optical center of the lenses ุงู„ู…ุฑูŠุถ ู…ุด ู‡ูŠุทู„ุน ู…ู†

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ูˆูŠู†ุŸู…ู† ุงู„ optical center of a lens ูŠุนู†ูŠ ู‡ุงู†

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ุงู„ู†ุชูŠุฌุฉ ุงู† ู„ูˆ ุงู†ุง ู…ุซู„ุง ู…ุงูƒู†ุด ููŠ ู‡ู†ุงูƒ ุชูˆุงุคู… ู…ุง ุจูŠู†

256
00:24:09,450 --> 00:24:15,490
ุงู„ IBD ุจุชุงุน ุงู„ patient ูˆุงู„ frame BD ุงุฐุง ู‡ูŠุตุจุญ ู‡ู†ุงูƒ

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ุนุฏู… ุงู„ู‚ุฏุฑุฉ ุนู„ู‰ ุงู„ุฑุคูŠุฉ ู…ู† ุฎู„ุงู„ ุงู„ optical center of

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a lens ุงุถุงูุฉ ุฅู„ู‰ ุฐู„ูƒthis induces ุฃูŠ ุจู…ุนู†ู‰ ุงู†ู‡ this

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impacts ุงูŠ ุจูŠุคุซุฑ okay unwanted prismatic effect

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ุงุฐุง ู‡ุฐุง ุจูŠุนู…ู„ ุชุฃุซูŠุฑ ู…ู†ุดูˆุฑ ุชู…ุงู… requiring the

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wearer to turn his eyes inward or even outwardto

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keep from experiencing double vision ุบูŠุฑ ุงู„ุชุฃุซูŠุฑ

263
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ุงู„ู…ู†ุดูˆุฑ ุฃูŠุถุง ุจูŠุตูŠุฑ ุนู†ุฏ ุงู„ู…ุฑูŠุถ ุงู„ู„ูŠ ู‡ูŠ ู…ุตุทู„ุญ ุงูŠู‡

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ุงู„ุฏุจู„ูˆุจูŠุง ุฃูŠ

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ุจู…ุนู†ู‰ ุงู„ุฑุคูŠุฉ ุงู„ู…ุฒุฏูˆุฌุฉ ุงูˆ ู…ุง ูŠุณู…ู‰ ุจุงู„ double vision

266
00:25:12,760 --> 00:25:18,440
ุฅุฐุง ุนุฏู… ุงู„ุฏู‚ุฉ ููŠ ู‚ูŠุงุณ ุงู„ IPD ุจูŠุคุฏูŠ ุฅู„ู‰ ุงู„ู€

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Prismatic Effect ุจุงู„ุฅุถุงูุฉ ู„ู…ูˆุถูˆุน ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฏุจู„ูˆุจูŠุง

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ุฃูˆ ุงู„ double vision over

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time this effort causes visual discomfortูŠุนู†ูŠ ู…ุน

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ุงู„ู„ูŠ ู‡ูˆ ุงู„ูˆู‚ุช ุจูŠุตุจุญ ุงู„ุฑุคูŠุฉ ุบูŠุฑ ู…ุฑูŠุญุฉ ู…ุน ู…ุฑูˆุฑ ุงู„ูˆู‚ุช

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and can result in a decreased ability of the eyes

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to work together in binocular vision ุฃูŠุถู‹ุง ุจุชุตุจุญ

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ุงู„ุนู†ุชูŠู† ุบูŠุฑ ู‚ุงุฏุฑุฉ ุนู„ู‰ ุงู„ุนู…ู„ ู…ุน ุจุนุถ ู…ู† ุฎู„ุงู„ ุงู„ู„ูŠ ู‡ูˆ

274
00:26:02,510 --> 00:26:07,130
ู„ูŠุดุŸ ุฃู† ุงู„ุณุจุจ ููŠ ุฐู„ูƒ ุงู„ู„ูŠ ู‡ูˆ ุนุฏู… ุงู„ุชูˆุงุคู… ู…ุง ุจูŠู† ุงู„

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IPD ูˆ ุงู„ frame PD ู„ู„ุดุฎุต

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ุฅุฐุง ุนุฏู… ุงู„ู‚ุฏุฑุฉ ุนู„ู‰ ุงู„ุนู…ู„ ู…ุน ุจุนุถ ุงู„ู€ two eyes

277
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distance IBD ุนู†ุฏู†ุง binocular BDุจุฏุงูŠุฉ ุงุญู†ุง ุงู…ุง

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ุจู†ูุญุต binocular ุงูˆ monocular IBD ู‡ู†ุงุฎุฏ ุงุญู†ุง ุงู„

279
00:26:34,380 --> 00:26:38,280
binocular ุฏุงูŠู…ุง ุงู„ binocular ู„ูŠุด ุจู†ุญุชุงุฌู‡ุง ุงู„ุงูƒุชุฑ

280
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ู„ู„ distance ุตุญ ูˆู„ุง ู„ุฃ ูŠุนู†ูŠ ู‡ู†ุง binocular BD for

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distance correction okay binocular

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BD the most common method used to measure the BD

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with the least amount of equipment uses a simple

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millimeter ruler commonly referred to as a BD rule

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ูŠุนู†ูŠ ุจู‚ุถูŠุฉ ุฃูˆ ุงู„ู„ูŠ ู‡ูˆ ุฃุฏุงุก ุจุณูŠุทุฉ ุชู…ุงู… ูŠู…ูƒู† ู‚ูŠุงุณ ุงู„

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IBD ู…ู† ุฎู„ุงู„ ุงู„ู„ูŠ ู‡ูˆ ุงู„ู…ุตุทุฑุฉู‡ุฐุง ุงู„ู€ ruler ุงู„ู…ุตุฏุฑุฉ

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00:27:21,330 --> 00:27:26,630
ู‡ูŠ ูู‚ุท ุงู„ู„ูŠ ู‡ูˆ ู…ุนุฏู‘ู‰ ู„ู‡ุฐุง ุงู„ุฃู…ุฑ ู„ู‚ูŠุงุณ ุงู„ IBD

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00:27:26,630 --> 00:27:31,310
ู„ู„ุฃุดุฎุงุต ุทูŠุจ

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00:27:31,310 --> 00:27:36,830
ูƒูŠู ุงู„ุชูƒู†ูŠูƒ ุฃูˆ ุงู„ method ุงู„ุทุฑูŠู‚ุฉ number one the

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dispenser should be positioned at a distance of 40

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cm from subject ุฅุฐุง ู„ุงุฒู… ุงู„ู…ุณุงูุฉ ู…ุง ุจูŠู†ุงู„ู…ุฑูŠุถ ูˆ

292
00:27:50,120 --> 00:27:54,720
ุงู„ูุงุญุต ุงูˆ ุงู„ุฃุฎุตุงุฆูŠ ุชูƒูˆู† ุฌุฏุงุด ุงุฑุจุนูŠู† ุตุงู†ุชูŠุŒ ู‡ุฐูŠ

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ูˆุงุญุฏ ุชู…ุงู…ุŸ both at the same vertical level ุงู„ุชู†ูŠู†

294
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ูŠูƒูˆู†ูˆุง ุนู„ู‰ ู…ุณุชูˆู‰ ูˆุงุญุฏุŒ ุจู…ุนู†ู‰ ู…ุด ูˆุงุญุฏ ุฌุงุนุฏ ุนู„ู‰ ูƒุฑุณูŠ

295
00:28:06,560 --> 00:28:10,480
ุฃุนู„ู‰ ู…ู† ุงู„ุชุงู†ูŠ ุฃูˆ ุงู„ุนูƒุณ ู„ุฃู† ู…ู…ูƒู† ุงุฎุชู„ุงู ุงู„ degree

296
00:28:10,480 --> 00:28:14,740
ูŠุคุฏูŠ ุฅู„ู‰ ุงุฎุชู„ุงู ููŠ ุงู„ู‚ูŠู… ุงู„ุฎุงุตุฉ ููŠ ุงู„ IBD

297
00:28:18,750 --> 00:28:24,950
The PD rule is positioned across the subject's

298
00:28:24,950 --> 00:28:31,570
nose. It tilted back rests on the most recessed

299
00:28:31,570 --> 00:28:36,750
part of the nose ุฏุงูŠู…ุง ุจุฏู†ุง ู†ุชุนูˆุฏ ุงุญู†ุง ูƒูุงุญุตูŠู† ูŠู…ุง

300
00:28:36,750 --> 00:28:41,980
ู†ุญุท ุงู„ู…ุตุฏุฑุฉ ู†ุญุทู‡ุง ููŠ ุฃุฑูŠุญ ู…ูƒุงู† ู„ู„ู…ุฑูŠุถุทุจุนุง ุงู…ุง

301
00:28:41,980 --> 00:28:45,820
ุจู†ุญุทู‡ุง ููŠ ุงู„ nose part ุชู…ุงู… ุงูˆ ุงู„ู„ูŠ ู‡ูˆ ููŠ ุงู„

302
00:28:45,820 --> 00:28:49,400
bridge area ุจุณ ุจุฏู‡ุง ุชูƒูˆู† ู…ุฑูŠุญุฉ ุจุงู„ู†ุณุจุฉ ู„ู…ู†ุŸ

303
00:28:49,400 --> 00:28:58,120
ู„ู„ู…ุฑูŠุถุŒ ู‡ุฐู‡ ุฃู‡ู… ุดูŠุก ู†ุถู…ู†ู‡ ุนุดุงู† ูŠุชุนุงูˆู† ู…ุนุงู‡ The

304
00:28:58,120 --> 00:29:03,920
dispenser closes the right eye and sides with the

305
00:29:03,920 --> 00:29:10,230
leftุงู„ุงู† ุจุงู„ู†ุณุจุฉ ู„ู‡ ุงู„ูุงุญุณ okay ุจุฏู‡ ูŠุบู„ู‚ ุงู„ู„ูŠ ู‡ูˆ

306
00:29:10,230 --> 00:29:14,910
ุงู„ุนูŠู† ู…ูŠู†ุŸ ุงู„ูŠู…ูŠู† ุงู„ right ูˆูŠูุชุญ in sight ูŠุนู†ูŠ

307
00:29:14,910 --> 00:29:20,010
ูŠู†ุธุฑ ุจุงู„ุนูŠู† ุงู„ู„ูŠ ู‡ูˆ ุงู„ุดู…ุงู„ ูŠุนู†ูŠ ุงู„ุงู† ู…ุด ู‡ูˆ ุฃู…ุงู…ูŠุŒ

308
00:29:20,010 --> 00:29:23,730
ุจุฏูŠ ุฃุบู„ู‚ ุงู„ู„ูŠ ู‡ูˆ ุงู„ูŠู…ูŠู† ูˆ ุฃุทู„ุน ููŠ ู…ูŠู†ุŸ ููŠ ุงู„ุดู…ุงู„

309
00:29:23,730 --> 00:29:27,170
okay ุจุงู„ุณู…ุน

310
00:29:28,430 --> 00:29:32,830
ุนุดุงู† ุฃุนู…ู„ ุชู…ุฑูƒุฒ ุจุงู„ุถุจุท ู„ู„ู‚ูŠู…ุฉุŒ ูŠุนู†ูŠ ู‚ูŠู…ุฉ ุงู„ู…ุตุทุฑุฉ

311
00:29:32,830 --> 00:29:36,650
ุชูƒูˆู† ุงู„ุณูุฑ ุชุงุน ุงู„ู…ุตุทุฑุฉ ุฃูˆ ุงู„ score ุชุงุญุฉ ุจุงู„ุถุจุท

312
00:29:36,650 --> 00:29:40,690
ุฌุงูŠุฉ ุนู„ู‰ ู…ูŠู† ุงู„ center of ุงู„ู„ูŠ ู‡ูˆ pupilุŒ ู‡ุงูŠ ุงู„ู‡ุฏู

313
00:29:40,690 --> 00:29:45,730
ู…ู† ุฐู„ูƒ The

314
00:29:45,730 --> 00:29:50,710
subject is instructed to look at the dispenser's

315
00:29:50,710 --> 00:29:57,030
open eye while the dispenser lines up the zeromark

316
00:29:57,030 --> 00:30:00,790
of the rule with the center of the subject's pupil

317
00:30:00,790 --> 00:30:04,950
ุงู„ุงู† ุงู†ุง ุจุฏูŠ ุงูุชุญ ุนูŠู†ูŠ ุจุนุฏ ู…ุง ุงุญุท ุงู„ู„ูŠ ู‡ูˆ ุงู„ score

318
00:30:04,950 --> 00:30:09,610
ุงูˆ ุงู„ุชุฏุฑูŠุฌ ุจุชุงุน ุงู„ู…ุตุทุฑุฉ ูˆูŠู† ู…ูˆุงุฒูŠ ู„ู„ center ุจุชุงุน

319
00:30:09,610 --> 00:30:16,590
ุงู„ pupil ุงู„ุฎุงุตุฉ ููŠ ุนูŠู† ุงู„ู…ุฑูŠุถ ุจูุชุญ ุงู„ู„ูŠ ู‡ูˆ ุงู„ุนูŠู† ูˆ

320
00:30:16,590 --> 00:30:21,640
ู†ูุณ ุงู„ุนู…ู„ูŠุฉ ูˆูŠู† ู‡ุนู…ู„ู‡ุงุŸ ููŠ ุงู„ another eyeุนู†ุฏู…ุง

321
00:30:21,640 --> 00:30:28,860
ูŠูƒูˆู† ุงู„ู€ Zero Mark ู…ุฑุชุจุท ุจุดูƒู„ ุตุญูŠุญุŒ ูŠู‚ูุฒ ุงู„ุนูŠู†

322
00:30:28,860 --> 00:30:34,720
ุงู„ูŠู…ู†ู‰ ูˆ ูŠูุชุญ ุงู„ุนูŠู†

323
00:30:34,720 --> 00:30:36,080
ุงู„ูŠู…ู†ู‰

324
00:30:50,160 --> 00:30:54,700
ุทุจุนุง ุนู„ู‰ ุงู„ center of ุงู„ู„ูŠ ู‡ูˆ pupil ูˆ ุจุนุฏ ุฐู„ูƒ ุงู„ู„ูŠ

325
00:30:54,700 --> 00:31:01,580
ู‡ูˆ ูุชุญ ุงู„ุนูŠู† ุงู„ุฃูˆู„ู‰ ูˆ ู…ู† ุซู… ุฃุบู„ู‚ ุงู„ุชุงู†ูŠุฉ ูˆ ุจุนุฏ ุฐู„ูƒ

326
00:31:01,580 --> 00:31:05,340
ูุชุญ ุงู„ุชุงู†ูŠุฉ ูˆ ุฃุบู„ู‚ ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฃูˆู„ู‰ ู„ุญุฏ ู…ุง ุตุงุฑ ุงู„ู„ูŠ

327
00:31:05,340 --> 00:31:10,340
ู‡ูˆ ุงู„ ruler win ุนู„ู‰ ุงู„ู„ูŠ ู‡ูˆ ุงู„ู‚ูŠู…ุฉ ุณุชูŠู† ุฅุฐุง ุฃุฏู‰

328
00:31:10,340 --> 00:31:16,080
ุงู„ู„ูŠ ู‡ูˆ ู‚ูŠู…ุฉ ุงู„ IBD ุนู†ุฏ ุงู„ู„ูŠ ู‡ูˆ ุณุชูŠู† ู…ู„ูŠ ู…ุชุฑ ุทุจุนุง

329
00:31:16,080 --> 00:31:19,460
ุงู‡ ุงู‡ ุทุจุนุง

330
00:31:22,940 --> 00:31:26,560
ุฒูŠ ุจุงู„ุถุจุท ุฅู†ุช ู…ุงุชุนู…ู„ูŠ retinoscope ุงู„ุตุญ ุฅู†ูƒ ุชุนู…ู„ูŠ

331
00:31:26,560 --> 00:31:29,920
right right left left ุตุญ ูˆู„ุง ู„ุฃุŸ ุฅูŠุด ุจุชุนู…ู„ูŠู‡ุŸ a

332
00:31:29,920 --> 00:31:36,300
close of one eye ู…ุด ู‡ูŠูƒูŠ ุจู†ุนู…ู„ู‡ ุทูŠุจ ุงู„ subject is

333
00:31:36,300 --> 00:31:42,160
instructed to look at the dispensers open eye

334
00:31:42,160 --> 00:31:48,840
ุฏุงูŠู…ุง ุงุญู†ุง ุจุฏู†ุง ู†ุฑุดุฏ ุงู„ู…ุฑูŠุถ ุฅู†ู‡ ูŠู†ุธุฑ ุจุนูŠู† ุงู„ูุงุญุต

335
00:31:48,840 --> 00:31:55,630
ุงู„ู„ูŠ ู‡ูŠ ู…ูุชูˆุญุฉ okayู„ุฃู† ู…ู…ูƒู† ุงู†ุช ุจุชุนู…ู„ ุงู„ูุญุต ู‡ูˆ

336
00:31:55,630 --> 00:31:59,910
ูŠูƒูˆู† ุนุงู…ู„ ุงูŠู‡ุŸ deviation ุงู†ุญุฑุงู ุงูˆ ุจู…ุนู†ู‰ ุงุฎุฑ ู‡ูˆ ู…ุง

337
00:31:59,910 --> 00:32:04,690
ุจุชุทู„ุน ุนู„ูŠู‡ุง ูู‡ูŠูƒ ุงู„ูุญุต ู‡ูŠูƒูˆู† ููŠ ุนู†ุฏู†ุง visual angle

338
00:32:04,690 --> 00:32:10,670
ุฒุงูˆูŠุฉ ุงู„ู„ูŠ ู‡ูˆ ู‡ุชุบูŠุฑ ููŠู‡ ุงู„ู‚ูŠู…ุฉ ุงู„ BD for the

339
00:32:10,670 --> 00:32:15,740
distance a prescription is read ofูŠุนู†ูŠ ู‚ูŠู…ุฉ ุงู„ู„ูŠ

340
00:32:15,740 --> 00:32:22,060
ู‡ูˆ ุงู„ู€ BD ุจุชู‚ุฑุฃ read of ุจู…ุนู†ู‰ ุชู‚ุฑุฃ as that mark

341
00:32:22,060 --> 00:32:26,320
falling in the center of the subjects left pupil

342
00:32:26,320 --> 00:32:31,180
ูŠุนู†ูŠ ุงู„ู‚ูŠู…ุฉ ู‡ุชู‚ุฑุฃ ู„ู…ุง ุชูƒูˆู† ุงู„ู…ุณุทุฑุฉ ููŠ ุงู„ุทุฑู ุงู„ุขุฎุฑ

343
00:32:31,180 --> 00:32:35,000
ุฃูˆ ููŠ ุงู„ุนูŠู† ุงู„ุชุงู†ูŠุฉ ููŠ ุงู„ center ู„ุงู„ pupil ุงู„ุฎุงุต

344
00:32:35,000 --> 00:32:35,340
ุจูŠู‡ุง

345
00:32:40,060 --> 00:32:46,080
The dispenser now closes the right eye and opens

346
00:32:46,080 --> 00:32:50,360
the left ุทุจ ู„ูŠุด ุจุฏู‡ ูŠุนูƒุณ ู…ุง ุจูŠู† ุงู„ุนู†ุชูŠู†ุŸ ูŠุนู†ูŠ ุจุฏู‡

347
00:32:50,360 --> 00:32:54,280
ูŠุนู…ู„ alternative ุชุจุงุฏู„ ุนุดุงู† ูŠู‚ุฑุฃ ุงู„ู‚ูŠู…ุฉ ุตุญ ูˆู„ุง ู„ุฃุŸ

348
00:32:54,280 --> 00:32:59,540
ุจุงู„ุถุจุทุฒูŠ ู…ุง ุนู…ู„ู†ุง ู‡ุงู† ุจุชุถุจุท ุงู„ู‚ูŠู…ุฉ ุนู„ู‰ ุงู„ุณูุฑ ุจุฏูŠ

349
00:32:59,540 --> 00:33:03,100
ุงุนู…ู„ ุงุบู„ุงู‚ ู‡ู†ุงูƒ ุนุดุงู† ูŠู‚ุฑุฃ ุงู„ู‚ูŠู…ุฉ ุจุงู„ุถุจุท ุฒูŠ ุงู„ุงู†

350
00:33:03,100 --> 00:33:07,420
ุงู†ุช ุงู„ red reflex ูŠู…ุง ุชูุชุญ ุงู„ุนู†ุชูŠู† ู…ู† ุงู„ hall ุงูˆ

351
00:33:07,420 --> 00:33:11,060
ุงู„ aperture ุชุงุน ุงู„ written scope ุจูŠูƒูˆู†ุด ูˆุงุถุญ ู„ูƒู†

352
00:33:11,060 --> 00:33:14,860
ุงุนู…ู„ close of one eye ุจุตูŠุฑ ุงูƒุชุฑ ูˆุถูˆุญ ุงู„ู„ูŠ ู‡ูˆ ูƒุฑุคูŠุฉ

353
00:33:14,860 --> 00:33:16,780
ุชู…ุงู…ุŸ ูˆู‡ู†ุง ู†ูุณ ุงู„ููƒุฑุฉ

354
00:33:20,280 --> 00:33:24,120
The subject is again instructed to look at the

355
00:33:24,120 --> 00:33:29,180
dispenser's open eye. Recheck.ุงู„ุงู† ู‡ูˆ ู„ู…ุง ูุชุญ ู…ุซู„ุง

356
00:33:29,180 --> 00:33:34,440
ุงู„ูุงุญุต ุงู„ุนูŠู† ุงู„ูŠู…ูŠู†ุŒ ุจุฏูŠ ุงุฑุดุฏ ุงู„ู„ูŠ ู‡ูˆ ุงูŠู‡ ุงู„ู…ุฑูŠุถ

357
00:33:34,440 --> 00:33:37,540
ุงู†ู‡ ูŠุทู„ุน ุจุงู„ุนูŠู† ุงู„ูŠู…ูŠู† ุงู„ู„ูŠ ู‡ูŠ ุงู„ู…ูุชูˆุญุฉุŒ ู…ุงูŠุทู„ุนุด

358
00:33:37,540 --> 00:33:41,140
ููŠ ุงู„ุนูŠู† ุฃูŠุด ุงู„ู„ูŠ ู…ุบู„ู‚ุฉุŒ ุชู…ุงู…ุŸ ุนุดุงู† ูŠุชู… ุงู„ู„ูŠ ู‡ูˆ

359
00:33:41,140 --> 00:33:44,480
ุงู„ูุญุต ุจู„ูŠ ู‡ูˆ ุณู‡ูˆู„ุฉ ูˆูŠูƒูˆู† accurate

360
00:33:48,690 --> 00:33:52,170
ุทูŠุจ ุจุนุถ ุงู„ุฃุญูŠุงู† ุจูŠูƒูˆู† ุงู„ุฃู…ุฑ ู‡ุฐุง ุตุนุจ ุฎุงุตุฉ ุนู†ุฏ

361
00:33:52,170 --> 00:33:57,410
ุงู„ุฃุทูุงู„ ูŠุนู†ูŠ ุงู„ุทูู„ ุฏุงูŠู…ุง ุงู„ attention ุนู†ุฏู‡ ุจูŠูƒูˆู†

362
00:33:57,410 --> 00:34:03,810
ุงู„ุฃู…ุฑ ููŠู‡ ุตุนุจ ุทุจ ุงูŠุด ุจุฏู†ุง ู†ุนู…ู„ุŸ when difficulty is

363
00:34:03,810 --> 00:34:08,390
experienced in determining the exact center of the

364
00:34:08,390 --> 00:34:12,590
pupil ุงู†ู‡ ุจูŠูƒูˆู† ู…ู† ุงู„ุตุนุจ ุชุญุฏูŠุฏ ู…ุฑูƒุฒ ุงู„ู„ูŠ ู‡ูˆ ุงู„

365
00:34:12,590 --> 00:34:18,790
pupil ุงู„ center of a pupilุจู†ุงุฎุฏ ุงู„ edge ุทุฑู ุงู„

366
00:34:18,790 --> 00:34:24,250
pupil ู„ู„ุนูŠู† ู…ุซู„ุง ุงู„ูŠุณุฑุฉ ุชู…ุงู… ุงู„ edge of the pupil

367
00:34:24,250 --> 00:34:30,350
may be used as a measuring point if both pupils

368
00:34:30,350 --> 00:34:31,890
are the same size

369
00:34:34,900 --> 00:34:39,780
ุงู„ุงู† ุงูˆู„ ุญุงุฌุฉ ุจุชุทู„ุน ุงู† ู‡ู„ ุงู„ู€ pupil size ู„ู„ุนู†ุชูŠู†

370
00:34:39,780 --> 00:34:44,220
ู…ุชุณุงูˆูŠ ูˆู„ุง ู„ุงุŸ ุงุฐุง ูƒุงู† ู…ุชุณุงูˆูŠ ุงูŠุด ุจุนู…ู„ุŸ ุจุงุฌูŠ ู…ู†

371
00:34:44,220 --> 00:34:48,660
ุงู„ุทุฑู ุงู„ุฎุงุฑุฌูŠ ู„ ุงู„ pupil ุชู…ุงู… ุจุญุท ุงู„ู„ูŠ ู‡ูˆ ุงู„

372
00:34:48,660 --> 00:34:55,870
marker ุงู„ุฃูˆู„ ู„ุญุฏูŠุช ูˆูŠู†ุŸุงู„ู€ inward ู„ู„ุนูŠู† ุงู„ุชุงู†ูŠุฉุŒ

373
00:34:55,870 --> 00:34:59,510
ูŠุง ุฌู…ุงุนุฉ ุฎู„ูŠูƒู… ุดูˆูŠู‡ ู…ุนู†ุงู‡ุŒ ุจุนุฏูŠู† ุจุชูƒุชุจูˆุงุŒ ุงู„ุขู† ู‡ูŠู‡

374
00:34:59,510 --> 00:35:04,530
ู…ู† ุงู„ุฎุงุฑุฌูŠ ู„ู„ุนูŠู† ุงู„ู„ูŠ ู‡ูˆ ุงู„ right ู„ู„ุฏุงุฎู„ูŠ ู„ู…ูŠู†ุŸ

375
00:35:04,530 --> 00:35:09,490
ู„ู„ุนูŠู† ุงู„ left ูู‡ู† ุจูŠุฏูŠู† ู‚ูŠู…ุฉ ู…ูŠู† ุงู„ IBDุŒ ุจุณ ู‡ู† ุดุฑุท

376
00:35:09,490 --> 00:35:14,790
ุงู†ู‡ ูŠูƒูˆู† ุงูŠุดุŸ ุงู„ pupil size ู…ุชุณุงูˆูŠุŒ ูŠุนู†ูŠ ุงูุฑุถ ูˆุงุญุฏ

377
00:35:14,790 --> 00:35:19,910
ุนู†ุฏู‡ meiosisููŠ ู…ุซู„ุง ุงู„ right eye ู…ุด ู‡ูŠู†ูุน ุงู„ุฃู…ุฑ

378
00:35:19,910 --> 00:35:24,190
ู‡ุฐุง ู„ูŠุด ุงู†ู‡ ู‡ูŠูƒูˆู† ุญุฌู… ุงู„ pupil ููŠ ุงู„ right ู…ุฎุชู„ู

379
00:35:24,190 --> 00:35:30,650
ุนู† ุญุฌู… ุงู„ pupil ููŠ ุงู„ leftุฅุฐุง ู…ูŠุฌุงุฑู…ู†ุช is read

380
00:35:30,650 --> 00:35:34,950
from the left side of one pupil to the left side

381
00:35:34,950 --> 00:35:41,430
of the other ุงูˆ ุงุญู†ุง ุจู†ู‚ูˆู„ outward ู„ ุงู„ right ู„

382
00:35:41,430 --> 00:35:46,270
inward ู„ู…ูŠู† ู„ู„ left ุจุฑุถู‡ ู†ูุณ ุงู„ู‚ูŠู…ุฉ ุฅุฐุง ูƒุงู†ุช ุชู†ุชูŠู†

383
00:35:46,270 --> 00:35:52,290
ู…ุชุณุงูˆูŠุงุชmeasuring from the inside edge of one

384
00:35:52,290 --> 00:35:56,450
pupil to the inside edge of the other would give

385
00:35:56,450 --> 00:36:01,530
an artificially low reading ู„ูƒู† ู‡ุชูƒูˆู† ุฃู‚ู„ ุงู„ู„ูŠ ู‡ูˆ

386
00:36:01,530 --> 00:36:06,190
ุฏู‚ุฉ from the outside edge of one pupil to the

387
00:36:06,190 --> 00:36:09,910
outside edge of the other an artificially high

388
00:36:09,910 --> 00:36:15,150
reading ูŠุนู†ูŠ ุงู„ุจุนุถ ุฅูŠุด ุจูŠุนู…ู„ุŸ ุจูŠุงุฎุฏ ู…ู† ู‡ู†ุง ู„ู‡ู†ุงุจุณ

389
00:36:15,150 --> 00:36:19,270
ุงู„ู…ูˆุถูˆุน ุงู† ุงู„ outward ู„ู„ inward ู‡ูŠูƒูˆู† ุงูƒุชุฑ ุงูˆ ุงู„

390
00:36:19,270 --> 00:36:23,470
high ุงู„ู„ูŠ ู‡ูˆ reading ุงูˆ high quality reading ูŠุนู†ูŠ

391
00:36:23,470 --> 00:36:28,070
ุงู„ู‚ุฑุงุกุฉ ู‡ุชูƒูˆู† ุงุนู„ู‰ ุงู„ู„ูŠ ู‡ูŠ ู…ู† ู†ุงุญูŠุฉ ุงู„ุฌูˆุฏุฉ ูˆ ู…ู†

392
00:36:28,070 --> 00:36:34,890
ู†ุงุญูŠุฉ ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฏู‚ุฉ ู…ุงู‚ู„ู†ุง ู…ู† ุงู„ outward ุชู…ุงู… ู„ู„

393
00:36:34,890 --> 00:36:40,710
inward ููŠ another I ู‡ู‰ ุชู…ุงู… ู‡ู‰ ุนู†ุฏู†ุง ู…ุซู„ุงุงู„ู‚ุฑุงุกุฉ

394
00:36:40,710 --> 00:36:44,610
ู†ูุณ ุงู„ุญุงุฌุฉ ุฌุฏู‘ูŠุด ุนู†ุฏู†ุงุŸ ุณุชูŠู† ู†ูุณ ู…ุง ุฃุฎุฏู†ุง ู…ู† ุงู„

395
00:36:44,610 --> 00:36:48,330
center ู„ู„ center ู‡ุงูŠ ุฃุฎุฏู†ุง ู…ู† ุงู„ outward ู„ู…ูŠู†ุŸ ู‡ุงูŠ

396
00:36:48,330 --> 00:36:52,290
ุงู„ุตูุฑ ูˆูŠู†ุŸ ุนู„ู‰ ุงู„ outward ู„ู„ right ู„ุญุฏูŠุฉ ุงู„ inward

397
00:36:52,290 --> 00:36:59,070
ู„ู…ูŠู†ุŸ ู„ู„ left ุจุณ ู‡ุงู† ุงู„ุดุฑุท ุฃู†ู‡ ุงู„ุชู†ูŠู† ู†ูุณ ุงู„ุญุฌู… ุงู„

398
00:36:59,070 --> 00:37:03,150
two pupil ู„ู„ right ูˆ ู„ู„ left ู„ูƒู† ู„ูˆ ู‡ุฐุง ู…ุซู„ุง ููŠ

399
00:37:03,150 --> 00:37:07,390
ุนู†ุฏู†ุง ูŠูˆุฒุฒ ูˆ ู‡ุงู† ู…ุซู„ุง ุนู†ุฏู†ุง ุฏูŠู„ุงุช pupil ู†ูุนุด ู†ุนู…ู„

400
00:37:07,390 --> 00:37:15,990
ุงู„ู‚ุตุฉ ู‡ุฐู‡ุŒ ู…ุด ุตุญDark irises or unequally sized

401
00:37:15,990 --> 00:37:20,950
pupils ุญุชู‰ ู„ูˆ ูƒุงู† ุงู„ color ููŠู‡ ุนุงู„ูŠ ูƒุชูŠุฑุŒ ูŠุนู†ูŠ

402
00:37:20,950 --> 00:37:28,630
ู…ุซู„ุง black ุจุดูƒู„ ูƒุจูŠุฑ ุฃูˆ ู…ุซู„ุง ุงู„ู„ูˆู†ุŒ ูŠุนู†ูŠ ุงู„ูƒุชูŠุฑ

403
00:37:28,630 --> 00:37:32,450
ุงู„ู„ูŠ ู‡ูˆ ุงู„ iris ููŠู‡ colorุŒ ุจู†ูุนุด ุงุนู…ู„ ู‚ุถูŠุฉ ุงู†ู‡ ู…ู†

404
00:37:32,450 --> 00:37:37,120
ุงู„ edge ู„ุงู„ู„ูŠ ู‡ูˆ ุงู„ edgeุฃูˆ ู…ุซู„ุง ุนุฏู… ุชุณุงูˆูŠ ู…ุง ุจูŠู†

405
00:37:37,120 --> 00:37:40,700
ุงู„ two pupils ุงูŠุด ุจุฏู†ุง ู†ุณุชุฎุฏู… ุงู„ limbus ุงู„ู„ูŠ ู‡ูˆ

406
00:37:40,700 --> 00:37:44,400
edge ุจุณ ู‡ุฐู‡ ุจุฏู‡ุง ู…ู‡ุงุฑุฉ ุนุงู„ูŠุฉ ู…ูˆุถูˆุน ุงู„ู„ูŠ ู‡ูˆ ุงู„

407
00:37:44,400 --> 00:37:52,240
limbus ุงู„ edge ุทูŠุจ

408
00:37:52,240 --> 00:37:56,880
ุนู†ุฏู†ุง ุงู„ common difficulties and their solution

409
00:37:56,880 --> 00:38:03,200
ูŠุนู†ูŠ ุงู„ู…ุดุงูƒู„ ุงู„ุดุงุฆุนุฉ ูˆ ูƒูŠููŠุฉ ุญู„ู‡ุง ุนู†ุฏู…ุง ูŠุชู… ู‚ูŠุงุณ

410
00:38:03,200 --> 00:38:11,710
ู…ู†ู…ุงู†ูŠูˆุงู„ ุงู†ุชุฑุงุจูŠูˆุจูŠู„ุฑูŠ ุฏูŠุณุชุงู†ุณ ุงูˆู„ ุญุงุฌุฉ ุฏูŠุณุจู†ุณุฑ

411
00:38:11,710 --> 00:38:16,650
ูƒุงู†ุช ู†ุทูŠ close one eye ุฏุงูŠู…ุง ุงุญู†ุง ุนู†ุง ุจู†ู‚ุฏุฑ ุงูŠุด

412
00:38:16,650 --> 00:38:23,630
ู†ุบุทูŠ ุนูŠู† ู„ูƒู† ู…ุงุจู†ู‚ุฏุฑุด ุงู„ุชู†ุชูŠู† ูู‡ู†ุง ุจูŠูƒูˆู† ููŠู‡ ู…ุดูƒู„ุฉ

413
00:38:23,630 --> 00:38:29,430
unable to close one eye independent of the other

414
00:38:29,430 --> 00:38:33,370
ูŠุนู†ูŠ ุนุฏู… ุงู„ู‚ุฏุฑุฉ ุนู„ู‰ ุชุบุทูŠุฉ ุนูŠู† ูˆุงู„ุงุนุชู…ุงุฏ ุนู„ู‰ ุงู„ุนูŠู†

415
00:38:33,370 --> 00:38:38,690
ุงู„ุชุงู†ูŠุฉOcluding the eye with the free handุŒ ุจุชุบุทูŠ

416
00:38:38,690 --> 00:38:45,950
ุงู„ุนูŠู† ุฅูŠุดุŸ ุจุงู„ู€ free hand The practice

417
00:38:45,950 --> 00:38:52,150
of holding the lid down with one finger gives an

418
00:38:52,150 --> 00:38:57,110
unprofessional appearance especially when wearing

419
00:38:57,110 --> 00:39:03,880
glasses ุงู„ุขู† ู„ูˆ ุฃู†ุง ู…ุซู„ุง ูƒู†ุช ู„ุงุจุณ ู†ุถุงุฑุฉูƒ examiner

420
00:39:03,880 --> 00:39:09,160
ูˆ ุฑูˆุญุช ุงู„ู„ูŠ ู‡ูˆ ุบุทูŠุช ุงู„ุนูŠู† ุจุฃุตุจุน ูˆุงุญุฏุŒ ู‡ูŠูƒูˆู† ุงู„ู…ุธู‡ุฑ

421
00:39:09,160 --> 00:39:13,860
ุบูŠุฑ ู„ุงู‚ุŒ ุตุญ ูˆู„ุง ู„ุงุŸ ูุงู„ุฃูุถู„ ุงู†ู‡ ุงูŠุด ุงุนู…ู„ุŸ ุงู†ู‡ ุงุนู…ู„

422
00:39:13,860 --> 00:39:17,560
ุงู„ู„ูŠ ู‡ูˆ occlusion ูƒุงู…ู„ ู„ู„ุนูŠู†ุŒ ูˆ ูƒุฃู†ู‡ ู‡ูˆ ุฌุฒุก ู…ู†

423
00:39:17,560 --> 00:39:25,700
ู…ูŠู†ุŸ ู…ู† ู‚ู„ูŠุฉ ุงู„ูุญุตุŒ ู…ุณุชูˆุงุจูŠู† ู…ุนุงู‡ุŸ ุงุฐุง occluding

424
00:39:25,700 --> 00:39:30,280
the eye with the handุŒ ุงุบู„ุงู‚ ุงู„ุนูŠู† ู…ู† ุฎู„ุงู„ ุงู„ูŠุฏ

425
00:39:31,360 --> 00:39:37,440
held if that appears ูŠุนู†ูŠ ุญูŠุธู‡ุฑ ุจู…ุธู‡ุฑ ุงู„ู„ูŠ ู‡ูˆ ุฃุฌู…ู„

426
00:39:37,440 --> 00:39:43,020
ุฃูˆ ุฃู„ุทู to be a natural part ูŠุนู†ูŠ ุฌุฒุก ุฃุดู…ุงู„ู‡ ุทุจูŠุนูŠ

427
00:39:43,020 --> 00:39:48,640
of the test ู…ู† ุงู„ู„ูŠ ู‡ูˆ ุงู„ุงุฎุชุจุงุฑ and doesn't reveal

428
00:39:48,640 --> 00:39:53,020
appearances in ability to close only one eye ูˆู…ุด

429
00:39:53,020 --> 00:39:58,360
ู‡ูŠุธู‡ุฑ ู„ู…ูŠู† ู„ู„ู…ุฑูŠุถ ุงู† ู‡ูˆ ู…ุด ู‚ุงุฏุฑ ูŠุบู„ู‚ ุงู„ู„ูŠ ู‡ูˆ ุงู„ุนูŠู†

430
00:39:58,360 --> 00:39:59,700
ุงู„ุชุงู†ูŠุฉ ุชู…ุงู…ุŸ

431
00:40:03,430 --> 00:40:07,070
ุงู„ู†ู‚ุทุฉ ุงู„ุชุงู†ูŠุฉ ุงู„ู€ Dispensers are visually

432
00:40:07,070 --> 00:40:12,270
impaired in one eye ูŠุนู†ูŠ ุงู„ุฃู† ู„ูˆ ู…ุซู„ุง ุงู„ูุงุญุต ู†ูุณู‡

433
00:40:12,270 --> 00:40:16,730
ู…ุงุนู†ุฏู‡ุด visual acuity 6 ุน 6 ููŠ ุงู„ุนูŠู†ุชูŠู† ุญุชู‰

434
00:40:16,730 --> 00:40:23,430
ุจุงู„ู†ุถุงุฑุฉ ูŠุนู†ูŠ ู„ูˆ ุนู…ู„ู†ุง ู„ู‡ best corrected visual

435
00:40:23,430 --> 00:40:27,050
acuity ู…ุงุนู†ุฏู‡ุด 6 ุน 6ุŒ ุฅูŠุด ุงู„ู…ู‚ุตูˆุฏ ุจุงู„ best

436
00:40:27,050 --> 00:40:28,630
corrected visual acuityุŸ

437
00:40:30,980 --> 00:40:35,240
ุฃูุถู„ ุฑุคูŠุฉ ูŠู…ูƒู† ุฑุคูŠุชู‡ุง ู…ู† ุฎู„ุงู„ ุงู„ู€ Optical

438
00:40:35,240 --> 00:40:39,980
CorrectionุŒ ุณูˆุงุก ู†ุถุงุฑุฉ ุฃูˆ ุนุฏุณุฉ ู„ุงุตู‚ุฉ ุงู„ุงู† ู‡ุงู† ุจุตู„ุฉ

439
00:40:39,980 --> 00:40:46,540
6 ุน 6 ูู‡ูˆ ููŠ ุนู†ุฏู‡ ุฅูŠุดุŸ ุฅู…ุจูŠุฑุŒ ุงู„ู„ูŠ ู‡ูˆ ุถุนู ุฃูˆ ุนู†ุฏู‡

440
00:40:46,540 --> 00:40:49,840
ุงู„ู„ูŠ ู‡ูˆ ุชุนุทูŠู„ ููŠ ุงู„ visual acuity

441
00:40:54,820 --> 00:40:59,520
If the dispenser is blind in one eyeุŒ ู„ูˆ ูƒุงู† ุฃุนู…ู‰

442
00:40:59,520 --> 00:41:03,920
ู…ุซู„ุงุŒ ูŠุนู†ูŠ ุนู†ุฏู‡ single eyeุŒ ู…ุนุชู…ุฏ ุนู„ู‰ ุนูŠู† ูˆุงุญุฏุฉุŒ

443
00:41:03,920 --> 00:41:10,420
okayุŸ Or has visually acuity too poorุŒ ุฃูˆ ุนู†ุฏู‡

444
00:41:10,420 --> 00:41:16,050
ู…ุซู„ุง ุถุนู ุดุฏูŠุฏ ููŠ ุนูŠู†ุŒ ุฏูˆู† ุงู„ุฃุฎุฑู‰to allow the ruler

445
00:41:16,050 --> 00:41:19,650
to be read accurately then the technique is

446
00:41:19,650 --> 00:41:23,710
modified ู„ุงุฒู… ุงุญู†ุง ู†ุนู…ู„ ุนู…ู„ูŠุฉ ุชุบูŠูŠุฑ ุงูˆ ุชุจุฏูŠู„ ุงูˆ

447
00:41:23,710 --> 00:41:27,970
ุชุนุฏูŠู„ ููŠ ุงู„ู„ูŠ ู‡ูˆ ุงู„ุทุฑูŠู‚ุฉ ู„ุงู† ู‡ุฐุง ุงู„ู‚ูŠุงุณ ู…ุด ู‡ูŠุฏูŠู†ูŠ

448
00:41:27,970 --> 00:41:31,650
ุงูŠุด accurate result ู„ู‚ูŠุงุณ ุงู„ IPD

449
00:41:36,100 --> 00:41:41,140
The dispenser places the good eye directly in

450
00:41:41,140 --> 00:41:46,400
front of the subject's right eye and at the normal

451
00:41:46,400 --> 00:41:53,120
distance. The zero mark is lined up as usual.

452
00:41:57,680 --> 00:42:01,740
ุจุชูƒูˆู† ุงู„ู„ูŠ ู‡ูˆ ูŠุนู†ูŠ ุงู†ุง ุฏุงูŠู…ุง ุจุฏูŠ ุงุนุชู…ุฏ ูƒุงู„ู„ูŠ ู‡ูˆ

453
00:42:01,740 --> 00:42:06,000
examiner ุงูˆ ูƒู€ dispenser ุนู„ู‰ ุงู„ุนูŠู† ุงูŠุด ุงู„ู„ูŠ ู‡ูŠ ุงู„

454
00:42:06,000 --> 00:42:10,860
good ุณูˆุงุก ูƒุงู†ุช ูŠู…ู‘ุง ุงุญุท ุงู„ุณูุฑ mark ุงูˆ ุงุญุท ุงู„ู„ูŠ ู‡ูˆ

455
00:42:10,860 --> 00:42:16,380
ุงู„ another mark ุงู„ู‚ุฑุงุกุฉ ุงู„ุชุงู†ูŠุฉ ู„ุฃู† ุงูŠ ุนุฏู… ุฏู‚ุฉ ููŠ

456
00:42:16,380 --> 00:42:21,120
ุงู„ูุญุต ุจุฏูŠู†ูŠ ู„ู†ุชูŠุฌุฉ ุฎุงุทูŠุฉ ูŠุนู†ูŠ ุจู…ุนู†ู‰ ุงุฎุฑ ุงู„ู…ุญุตู„ุฉ

457
00:42:21,120 --> 00:42:22,800
ู‡ุชูƒูˆู† ุงูŠุด ููŠู‡ุง ู…ุดูƒู„ุฉ

458
00:42:26,840 --> 00:42:31,860
ุงู„ู€ dispenser then moves sideways until the good

459
00:42:31,860 --> 00:42:35,840
eye is positioned in front of the subjects left

460
00:42:35,840 --> 00:42:40,300
eye and the measurement is read ุงู„ุงู† ู„ูˆ ูƒุงู† ู…ุซู„ุง

461
00:42:40,300 --> 00:42:44,880
ุฃุญุฏ ุงู„ูุงุญุตูŠู† ุนู†ุฏู‡ right eye ุจุณ ู‡ูŠ ุงู„ good ุงู„ุงู† ุฃูˆู„

462
00:42:44,880 --> 00:42:50,040
ุญุงุฌุฉ ุจุบุท ู…ูŠู†ุŸุงู„ู€ left eye ูˆ ุจูŠุดูˆู ุงู„ู„ูŠ ู‡ูˆ ุนู„ู‰ ุงู„ู€

463
00:42:50,040 --> 00:42:53,940
zero mark ูˆ ุจุนุฏ ุฐู„ูƒ ุจู†ุชู‚ู„ ู„ู„ุนูŠู† ุงู„ุชุงู†ูŠุฉ ูˆ ู‡ูˆ ูุงุชุญ

464
00:42:53,940 --> 00:42:57,800
ู…ู† ุงู„ good eye ุงูˆ ุงู„ right eye ูŠุนู†ูŠ ุจูŠุญุงูุธ ุนู„ู‰

465
00:42:57,800 --> 00:43:02,080
ุงุณุชุฎุฏุงู… ุงู„ right eye ููŠ ูƒู„ุง ุงู„ุนูŠู†ุชูŠู† ุจุงู„ู†ุณุจุฉ ู„ู…ูŠู†

466
00:43:02,080 --> 00:43:05,360
ู„ู„ dispenser ุงูˆ ุนููˆุง ุจุงู„ู†ุณุจุฉ ู„ู„ patient

467
00:43:08,510 --> 00:43:13,130
Unfortunately, this method can easily lead to

468
00:43:13,130 --> 00:43:18,630
parallax errors ูŠุนู†ูŠ ู‡ุฐุง ู…ุน ุงู„ุฃุณู ุฃู†ู‡ ู…ู…ูƒู† ู‡ุฐุง

469
00:43:18,630 --> 00:43:23,290
ุงู„ูุญุต ูŠุคุฏูŠ ุฅู„ู‰ ุฅูŠุดุŸ ุฅู„ู‰ ุฎุทุฃ ุงู„ู„ูŠ ู‡ูˆ ุจุดูƒู„ ุณุฑูŠุนุŒ

470
00:43:23,290 --> 00:43:28,370
ู„ูŠุดุŸ ู„ุฃู† ุฃูŠ ุงุฎุชู„ุงู ููŠ ุงู„ angle ุฃูˆ ุงู„ visual angle

471
00:43:28,370 --> 00:43:31,790
ู‡ูŠุคุฏูŠ ู„ุงุฎุชู„ุงู ููŠ ู…ูŠู†ุŸ ููŠ ู‚ูŠู…ุฉ ุงู„ู„ูŠ ู‡ูˆ ุงู„ู‚ุฑุงุกุฉ

472
00:43:31,790 --> 00:43:32,650
ุงู„ู…ุทู„ูˆุจุฉ

473
00:43:35,440 --> 00:43:40,560
The most desirable solution for someone with this

474
00:43:40,560 --> 00:43:44,620
difficulty is to use another type of instrument

475
00:43:44,620 --> 00:43:48,640
that only requires the use of one eye ุทูŠุจ ู„ูˆ

476
00:43:48,640 --> 00:43:52,260
ู…ุงู‚ุฏุฑู†ุงุด ู†ุญู‚ู‚ ู‡ุฐู‡ ุงู„ููƒุฑุฉ ุจุฏู†ุง ู†ุดูˆู ุฃุฌู‡ุฒุฉ ุชุงู†ูŠุฉ

477
00:43:52,260 --> 00:43:56,660
ู…ู…ูƒู† ู…ู† ุฎู„ุงู„ู‡ุง ุงู„ุดุฎุต ูŠุนุชู…ุฏ ุนู„ู‰ one eye ู„ุงู„ู„ูŠ ู‡ูˆ

478
00:43:56,660 --> 00:43:59,920
ูุญุต ู‚ูŠู…ุฉ ุงู„ IBD ุจุงู„ู†ุณุจุฉ ู„ู„ patient

479
00:44:02,790 --> 00:44:06,610
ูˆุจู†ู‚ู ุงู† ุดุงุก ุงู„ู„ู‡ ู„ุนู†ุฏ ุงู„ู„ูŠ ู‡ูˆ subject is a

480
00:44:06,610 --> 00:44:11,070
strabism ุงูˆ ุงู„ู„ูŠ ู‡ูˆ squint ููŠ ุงู„ุฃุดุฎุงุต ุงู„ู„ูŠ ุจูŠูƒูˆู†

481
00:44:11,070 --> 00:44:14,750
ุนู†ุฏู‡ู… ุญูˆุงู„ ู„ู„ู…ุญุงุถุฑุฉ ุงู„ู‚ุงุฏู…ุฉ ุงู† ุดุงุก ุงู„ู„ู‡