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

Table 4

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

Parameters	Stage 2	Stage 3	Stage 4	F
BCVA (logMAR)	0.16 ± 0.15	0.18 ± 0.14	0.30 ± 0.22	6.51	0.002
MH	0.25 ± 0.36	0.33 ± 0.42	0.56 ± 0.59	4.48	0.01
MV	0.33 ± 0.48	0.29 ± 0.63	0.49 ± 0.10	1.55	0.22
CMT (μm)	326.34 ± 87.67	379.26 ± 63.88	438.09 ± 114.20	13.88	<0.001

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