Changes in Metamorphopsia, Visual Acuity, and Central Macular Thickness after Epiretinal Membrane Surgery in Four Preoperative Stages Classified with OCT B-Scan Images

Table 3

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

Parameters	Stage 2	Stage 3	Stage 4	F
BCVA (logMAR)	0.32 ± 0.21	0.42 ± 0.23	0.58 ± 0.19	14.10	<0.001
MH	0.36 ± 0.46	0.55 ± 0.57	0.70 ± 0.70	3.35	0.04
MV	0.47 ± 0.57	0.43 ± 0.82	0.55 ± 0.11	0.15	0.86
CMT (μm)	379.93 ± 77.92	463.34 ± 59.21	561.78 ± 78.80	56.30	<0.001

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