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Preoperative values important in successful vitrectomy for vitreomacular traction

Retina. 2008;28(9):1207-1214.

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Success in achieving gains in visual acuity with vitrectomy for vitreomacular traction may be dependent on preoperative characteristics of the patient.

In a retrospective review of 24 eyes of 24 patients with macular edema because of vitreomacular traction, researchers noted that preoperative vitreomacular structure, duration of symptoms and preoperative central macular thickness were important determinants of gains in visual acuity.

Gains in visual acuity were assessed according to the preoperative relationship of the posterior hyaloid to the retina. Patients with focal vitreofoveal hyaloidal attachment with perifoveal separation achieved significantly greater improvement in acuity (2.82 ± 1.47 logMAR) than patients with either vitreoretinal hyaloidal attachment to the macula and papillomacular bundle (0.83 ± 1.17 logMAR) or broad vitreofoveal attachment with a fine epiretinal membrane over the posterior pole (1.29 ± 0.49 logMAR).

Overall, 21 eyes (87.5%) had a gain of at least one line of vision, 13 (54%) had an increase of two lines or more, and three (12.5%) had vision that remained the same.