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Visual field results after vitreous surgery in a case series of patients with open-angle glaucoma
S E Moroi1, M S Gottfredsdottir, T Van Heck
1W.K. Kellogg Eye Center, Department of Ophthalmology and Visual Sciences, University of Michgian Medical Center, Ann Arbor 48105, USA. smoroi@umich.edu
Background And Objective:
Visual field loss is a complication of vitrectomy and a concern for patients with glaucoma. Our objective was to determine whether vitrectomy is associated with new field defects in patients with glaucoma.
Patients And Methods:
This retrospective case series involved 7 eyes of 7 patients, who had open-angle glaucoma and underwent vitrectomy for macular hole (2) or epiretinal membrane (5).
Results:
Acuity improved by at least two lines in 5 eyes. Visual fields showed a change in mean deviation following vitrectomy (mean difference -1.50 dB, P=0.0006, paired Student's t-test). One eye had confirmed progression of a pre-existing visual field defect, but no new defects were apparent in the other eyes. Transient intraocular pressure rises requiring therapy occurred in 3 eyes. One eye developed macular edema, but no other operative complications occurred.
Conclusions:
The results of our small case series suggest that vitrectomy may be an acceptable intervention in eyes with glaucoma and co-existing macular problems.