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Number of Patients Demonstrating Stereopsis by Age at Surgery and Visual Acuity at 4.5 Years in the Infant Aphakia Treatment Study
| Age at Surgery | Visual Acuity at 4.5 Years | Total Number of Patients | Stereopsis Present at 4.5 Years n (%) |
|---|---|---|---|
| 28–48 days | < 20/200 | 31 | 15 (48%) |
| ≥ 20/200 | 16 | 4 (25%) | |
| 49–210 days | < 20/200 | 26 | 7 (27%) |
| ≥ 20/200 | 36 | 2 (6%) |
