Analysis of Changes in Corneal Topography after 27-Gauge Transconjunctival Microincision Vitrectomy Combined with Cataract Surgery

Table 5

Asymmetry component by corneal shape Fourier analysis.

	Preoperatively	1 day postoperatively	1 week postoperatively	1 month postoperatively	3 months postoperatively
ERM (, Kruskal–Wallis test)	0.37 ± 0.24 D	0.56 ± 0.20 D	0.64 ± 0.74 D	0.40 ± 0.23 D	0.45 ± 0.34 D
MH + RRD (gas groups) (, Kruskal–Wallis test)	0.44 ± 0.34 D	0.71 ± 0.41 D (p = 0.002)	0.60 ± 0.54 D (p = 0.09)	0.41 ± 0.35 D (p = 0.79)	0.32 ± 0.17 D (p = 0.08)

D: diopter; ERM: epiretinal membrane; MH: macular hole; RRD: rhegmatogenous retinal detachment. Postoperative compared with before surgery (Wilcoxon signed-rank test. ).