Original articleVision-Related Quality of Life and Visual Function Following Vitrectomy for Proliferative Diabetic Retinopathy
Section snippets
Methods
We analyzed 51 eyes of 51 patients with PDR who were scheduled to undergo pars plana vitrectomy. Their age averaged 55.8 ± 12.1 years (mean ± standard deviation), and there were 21 men and 30 women. Forty-six eyes of 46 age-matched subjects served as normal controls. Prior to inclusion in the study, all patients provided written informed consent after the nature of the study was explained to them.
The surgery was performed in our clinic by an experienced vitreoretinal surgeon from June 14, 2005
Results
The logMAR BCVA ranged from 2.30 to 0.00 preoperatively (mean, 1.24; median, 1.30) and from 2.60 to −0.08 postoperatively (mean, 0.46; median, 0.30). The vitrectomy significantly improved VA (P < .0001), with 39 patients (75.0%) gaining two or more Early Treatment Diabetic Retinopathy Study (ETDRS) lines. No change was observed in nine eyes (17.3%), and vision decreased by one or more lines in four patients (7.6%). The postoperative reduction in VA was attributed to neovascular glaucoma (two
Discussion
In the present study, VFQ-25 composite score and all subscale scores, except for color vision, were significantly reduced in patients with PDR, indicating that those patients were suffering from a wide range of functional vision difficulties as compared with the normal controls. The preoperative VFQ-25 composite score significantly correlated with VA and contrast sensitivity in the better-seeing eye. Postoperatively, VFQ-25 composite score significantly correlated with the condition of the
Fumiki Okamoto graduated from Tsukuba University School of Medicine, Ibaraki, Japan in 1994. He completed his ophthalmology residency and fellowship at University of Tsukuba Hospital. Dr Okamoto is currently the Assistant Professor in University of Tsukuba, Department of Ophthalmology. He specializes in vitreoretinal surgery.
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Fumiki Okamoto graduated from Tsukuba University School of Medicine, Ibaraki, Japan in 1994. He completed his ophthalmology residency and fellowship at University of Tsukuba Hospital. Dr Okamoto is currently the Assistant Professor in University of Tsukuba, Department of Ophthalmology. He specializes in vitreoretinal surgery.