Table 3

 Changes in best corrected VA among different age groups during follow up

40–49 (n = 199)50–59 (n = 135)60–69 (n = 107)⩾70 (n = 111)
Initial VA
⩾20/40188 (94.5%)110 (81.5%)65 (60.7%)31 (27.9%)
20/40–20/2009 (4.5%)18 (13.3%)31 (29.0%)63 (56.8%)
⩽20/2002 (1.0%)7 (5.2%)11 (10.3%)17 (15.3%)
Final VA
⩾20/40183 (91.9%)84 (62.2%)39 (36.4%)21 (18.9%)
20/40–20/20013 (6.5%)40 (29.6%)51 (47.7%)61 (54.9%)
⩽20/2003 (1.6%)11 (8.2%)17 (15.9%)29 (26.2%)