Vitrectomy for the Treatment of Full-Thickness Stage 3 or 4 Macular Holes
- 1 January 1997
- journal article
- clinical trial
- Published by American Medical Association (AMA) in American Journal of Ophthalmology
- Vol. 115 (1), 11-21
- https://doi.org/10.1001/archopht.1997.01100150013002
Abstract
Objective: To prospectively assess the risks and benefits of vitrectomy surgery for eyes with stage 3 or 4 macular holes. Design: A multicentered, controlled, randomized clinical trial. Setting: Community- and university-based ophthalmology clinics. Patients: One hundred twenty patients (129 eyes) with stage 3 or 4 macular holes. Interventions: Standardized macular hole surgery vs observation alone. Main Outcome Measures: Four measures of bestcorrected visual function, standardized photographic evaluation of the extent of hole closure, evaluation of lens opacification, and determination of adverse events. Outcomes were determined at 6 months after randomization. Results: Compared with observation alone, a significant benefit due to surgery was found in the rate of hole closure (4% vs 69%, P<.001). After adjusting for baseline visual acuity, hole duration, and maximum hole diameter, a significant benefit due to surgery was found in visual acuity for the Bailey-Lovie Word Reading (P=.02) and the Potential Acuity Meter (P<.01) tests; a marginally significant benefit due to surgery was found in visual acuity for the Early Treatment Diabetic Retinopathy Study chart (P=.05) Although the proportion of eyes achieving a change in visual acuity of 2 or more lines on the Early Treatment Diabetic Retinopathy Study chart was significantly greater for the surgery group vs the observed group (11 [19%] of 59 eyes vs 3[5%] of 58 eyes, adjusted P=.05), 20(34%) of 59 eyes randomized to surgery had a loss in visual acuity of 1 or more lines. Compared with the observation group, eyes randomized to surgery had higher nuclear sclerosis scores (2.4 vs 1.3, P<.001). Fourteen adverse events were noted in the surgery group; none were noted in the observed group. Conclusions: Some visual benefit of vitrectomy surgery for macular holes exists, despite a notable incidence of adverse events. The large variability in visual acuity outcome in the surgical group may be because of complications or progressive cataract. A study of the longterm outcome after macular hole surgery is needed.This publication has 17 references indexed in Scilit:
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