Table 3.
Best-Measured Visual Acuity in Amblyopic Eye Overall and by Baseline Amblyopic Eye Visual Acuity
| Baseline Amblyopic Eye Visual Acuity |
|||
|---|---|---|---|
| Overall N=84 |
20/40 to 20/100 N=66 |
20/125 to 20/250 N=18 |
|
| n(%) | n(%) | n(%) | |
| Improvement from Baseline to Best-Measured Acuity | |||
| 0 lines (no improvement or worsened) | 9 (11) | 6 (9) | 3 (17) |
| 1 line | 10 (12) | 9 (14) | 1 (6) |
| 2 lines | 15 (18) | 11 (17) | 4 (22) |
| ≥3 lines | 50 (60) | 40 (61) | 10 (56) |
| Mean (SD*) lines | 2.9 (1.8) | 2.9 (1.7) | 2.8 (2.0) |
| Change in Interocular Acuity Difference† from Baseline to Visit of Best-Measured Acuity | |||
| >=-5 lines | 9 (11) | 7 (11) | 2 (11) |
| -4 lines | 12 (14) | 9 (14) | 3 (17) |
| -3 lines | 20 (24) | 15 (23) | 5 (28) |
| -2 lines | 15 (18) | 13 (20) | 2 (11) |
| -1 line | 15 (18) | 12 (18) | 3 (17) |
| 0 lines | 13 (15) | 10 (15) | 3 (17) |
| Mean (SD) lines change | -2.4 (1.7) | -2.4 (1.7) | -2.6 (1.9) |
| Interocular Acuity Difference† at Visit of Best- Measured Acuity | |||
| <=0 lines (amblyopic eye same or better than sound eye) | 9 (11) | 9 (14) | 0 |
| 1 line | 14 (17) | 13 (20) | 1 (6) |
| 2 lines | 13 (15) | 13 (20) | 0 |
| ≥ 3 lines | 48 (57) | 31 (47) | 17 (94) |
| Mean (SD) lines | 3.2 (2.4) | 2.4 (1.8) | 5.9 (2.3) |
| Visit of Best-Measured Acuity Baseline | 9 (11) | 6 (9) | 3 (17) |
| 5wks (3-7) | 33 (39) | 27 (41) | 6 (33) |
| 10wks (8-12) | 28 (33) | 23 (35) | 5 (28) |
| 15wks (13-17) | 6 (7) | 4 (6) | 2 (11) |
| 20wks (18-22) | 6 (7) | 4 (6) | 2 (11) |
| >=25wks | 2 (2) | 2 (3) | 0 |
| Resolution at Visit of Best-Measured Acuity (interocular acuity difference† 1 line or less) | 23 (27) | 22 (33) | 1 (6) |
*
SD= Standard Deviation
†
Interocular acuity difference evaluated using better sound eye acuity at baseline or visit of best-measured amblyopic eye acuity
This table does not include data on the additional long-term follow-up visit (4-6 months) for patients whose amblyopia resolved.