Table 3

 Visual acuity change in logMAR units by initial VA status

Initial VA status1st VA meanLast VA meanMean difference (SD)*p Value (t test)
*Significant difference in mean VA change by initial VA status (p = 0.009, ANOVA). Good = VA 20/20 – 20/40. Fair = VA 20/50 – 20/100. Poor = VA 20/200 or worse.
Good (n = 7)0.000.12+0.12 (0.15)0.07
Fair (n = 38)0.160.26+0.11 (0.27)0.02
Poor (n = 50)0.580.56−0.02 (0.30)0.62
Overall (n = 95 eyes)0.370.41+0.04 (0.28)0.17