Table 4 Visual acuity changes stratified by age, n (%)
All eyes | ≤8 years | > 8 years | p-value | |
|---|---|---|---|---|
At initial visit | n = 76 | n = 25 | n = 51 | |
VAa ≤ 20/50 | 32 (42.1) | 13 (52.0) | 19 (37.3) | 0.22 |
VA ≤ 20/200 | 14 (18.4) | 7 (28.0) | 7 (13.7) | 0.13 |
At 6 months | n = 54 | n = 18 | n = 36 | |
VA ≤ 20/50 | 12 (22.2) | 6 (33.3) | 6 (16.6) | 0.18 |
VA ≤ 20/200 | 5 (9.3) | 2 (11.1) | 3 (8.3) | 1.00 |
Improvement≥2 lines | 16 (29.6) | 9 (50.0) | 7 (19.4) | 0.02 |
Worsening≥2 lines | 4 (7.4) | 1 (5.6) | 3 (8.3) | 1.00 |
At 1 year | n = 49 | n = 18 | n = 31 | |
VA ≤ 20/50 | 18 (36.7) | 7 (38.9) | 11 (35.5) | 0.81 |
VA ≤ 20/200 | 7 (14.3) | 2 (11.1) | 5 (16.1) | 0.63 |
Improvement≥2 lines | 18 (36.7) | 10 (55.6) | 8 (25.8) | 0.037 |
Worsening≥2 lines | 11 (22.4) | 2 (11.1) | 9 (29) | 0.19 |
At last visit | ||||
VA ≤ 20/50 | 24 (31.6) | 9 (36.0) | 15 (29.4) | 0.56 |
VA ≤ 20/200 | 10 (13.2) | 3 (12.0) | 7 (13.7) | 0.83 |
Improvement≥2 lines | 17 (22.3) | 9 (36.0) | 8 (15.7) | 0.076 |
Worsening≥2 lines | 7 (9.2) | 1 (4.0) | 6 (11.8) | 0.41 |