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Purpose To investigate pre-, intra-, and postoperative factors influencing postoperative visual acuity, degree of metamorphopsia, and retinal sensitivity after vitrectomy in patients with rhegmatogenous retinal detachment and foveal detachment. Methods We reviewed retrospectively 33 consecutive eyes of 32 patients, who underwent vitrectomy for rhegmatogenous retinal detachment with foveal detachment between August 2018 and October 2020 and obtained retinal reattachment. Pre-, intra-, and postoperative characteristics were comprehensively analyzed using multivariate models to evaluate the presence of factors influencing best-corrected visual acuity, vertical/horizontal metamorphopsia scores using M-CHARTS (Inami & Co., Ltd., Tokyo, Japan), and retinal sensitivity using the MP-3 (NIDEK Co., Aichi, Japan) at 1-year postoperatively. Results Preoperative total retinal detachment was the only factor significantly associated with worse best-corrected visual acuity at 1-year postoperatively (β = 0.589, P<0.001). Intraoperative internal limiting membrane peeling (β = 0.443, P = 0.003) and longer duration after recognizing visual dysfunction (β = 0.425, P = 0.005) were significantly associated with higher vertical metamorphopsia scores at 1 year. The horizontal metamorphopsia score was significantly related to the duration after recognizing visual dysfunction (β = 0.457, P = 0.008). The disappearance of the EZ line on optical coherence tomography at 3 months postoperatively (β = −0.638, P<0.001) was significantly associated with lower retinal sensitivity at 1 year. Conclusions Our study findings suggest that best-corrected visual acuity, metamorphopsia, and retinal sensitivity at 1 year after vitrectomy for rhegmatogenous retinal detachment with foveal detachment are influenced by distinct factors.
Sugioka et al. (Fri,) studied this question.