Table 3: Preoperative analysis in best-corrected visual acuity, metamorphopsia, and central macular thickness under OCT classification.

ParametersStage 2Stage 3Stage 4F

BCVA (logMAR)0.32 ± 0.210.42 ± 0.230.58 ± 0.1914.10<0.001
MH0.36 ± 0.460.55 ± 0.570.70 ± 0.703.350.04
MV0.47 ± 0.570.43 ± 0.820.55 ± 0.110.150.86
CMT (μm)379.93 ± 77.92463.34 ± 59.21561.78 ± 78.8056.30<0.001

Values are presented as mean ± standard error. Paired t test.