Variable | Before surgery Mean (SD) | After first eye surgery Mean (SD) | After second eye surgery Mean (SD) | P value |
---|---|---|---|---|
Visual acuity (logMAR)a | ||||
 Better eye | 0.18 (0.15) | 0.10 (0.22) | 0.00 (0.19) | < 0.001 |
 Worse eye | 0.39 (0.24) | 0.36 (0.26) | 0.11 (0.19) | < 0.001 |
 Binocular | 0.15 (0.15) | 0.08 (0.21) | −0.02 (0.19) | < 0.001 |
Log contrast sensitivity (log units)b | ||||
 Better eye | 1.57 (0.14) | 1.62 (0.28) | 1.68 (0.11) | < 0.001 |
 Worse eye | 1.41 (0.29) | 1.47 (0.27) | 1.61 (0.13) | < 0.001 |
 Binocular | 1.64 (0.14) | 1.67 (0.25) | 1.75 (0.08) | < 0.001 |
Stereopsis (log seconds of arc)a | ||||
 Binocular | 2.14 (0.64) | 2.31 (0.72) | 1.96 (0.60) | 0.002 |