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Article
January 1993

Laser Treatment for Subfoveal Neovascular Membranes in Ocular Histoplasmosis Syndrome: Results of a Pilot Randomized Clinical Trial

Author Affiliations

Philadelphia, Pa
Lexington, Ky
Cleveland, Ohio
Baltimore, Md
Iowa City, Iowa
Dallas, Tex
Baltimore, Md

Arch Ophthalmol. 1993;111(1):19-20. doi:10.1001/archopht.1993.01090010021006
Abstract

To the Editor.  —Published reports by the Macular Photocoagulation Study (MPS) Group1,2 have documented that laser photocoagulation is helpful in reducing the risk of severe vision loss in patients with ocular histoplasmosis syndrome complicated by choroidal neovascularization that does not involve the center of the fovea. In addition, there is at least one report documenting poor visual prognosis for patients with subfoveal choroidal neovascularization secondary to ocular histoplasmosis syndrome.3 Accordingly, in 1988, we began to enroll patients in a pilot randomized trial to assess laser treatment for patients with ocular histoplasmosis syndrome and subfoveal choroidal neovascular lesions.

Patients and Methods.  —To be eligible for this trial, patients were required to have one or more atrophic lesions or "histo spots" in either eye, visual acuity of 20/40 to 20/320, and choroidal neovascularization under the center of the fovea. Eligible eyes could have previously untreated lesions (new membranes) or recurrent

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