Using Surgical Microscope for Sclera Buckling and Transscleral Cryopexy: An Alternative Procedure of Treatment for Rhegmatogenous Retinal Detachment

Table 2

Comparison of preoperative and postoperative visual acuity in 244 eyes with rhegmatogenous retinal detachment.

Best-corrected visual acuity	<0.05	0.05∼0.3	0.4∼0.9	≥1.0	𝑃 value*
Before surgery	89	103	31	21	0.0005
After surgery	22	82	69	71

∗Chi-square test.