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. Author manuscript; available in PMC: 2015 Mar 29.
Published in final edited form as: JAMA Ophthalmol. 2013 Dec;131(12):1554–1562. doi: 10.1001/jamaophthalmol.2013.4995

Table 2.

Mean Vision Scores in Clinic and Home for Glaucoma and Non-glaucoma Participants

Vision Measure Glaucoma Non-glaucoma All
Clinic (n) Home (n) Clinic (n) Home (n) Clinic (n) Home (n)
Distance VA ± SD, mean letters 53.4 ± 13.1*
(119)		 48.9 ± 14.7
(119)		 58.8 ± 8.1*
(45)		 56.1 ± 6.8
(45)		 54.9 ± 12.2*
(164)		 50.9 ± 13.4
(164)
Near VA ± SD, mean letters 58.7 ± 16.1
(67)		 57.0 ± 16.8
(67)		 66.1 ± 9.5
(36)		 64.1 ± 9.0
(36)		 61.3 ± 14.5*
(103)		 59.5 ± 14.9
(103)
Contrast Sensitivity ± SD, mean log contrast 1.50 ± 0.37*
(117)		 1.46 ± 0.39
(117)		 1.78 ± 0.20*
(45)		 1.70 ± 0.20
(45)		 1.58 ± 0.36*
(162)		 1.52 ± 0.36
(162)
Contrast Sensitivity with BAT medium glare ± SD, mean log contrast 1.38 ± 0.41*
(112)		 1.15 ± 0.40
(112)		 1.69 ± 0.21*
(46)		 1.40 ± 0.30
(46)		 1.47 ± 0.39*
(158)		 1.22 ± 0.39
(158)

VA = Visual Acuity; SD = Standard Deviation; BAT = Brightness Acuity Tester.

*

Significant difference in vision scores between clinic and home, p<0.05, matched pair t-test