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Risk factors for hypotony maculopathy defined
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FORT LAUDERDALE, Fla. — Young age, male gender and myopia are significant risk factors for hypotony maculopathy, according to a study presented here. Choroidal effusion may also be associated with hypotony maculopathy, the study said.
Lilia Fannin, MD, and colleagues at the Bascom Palmer Eye Institute identified 228 patients with hypotony in a chart review of patients at their institution. Hypotony was defined as intraocular pressure less than 6 mm Hg. The review identified 81 patients with hypotony maculopathy and 147 control eyes with hypotony alone. They discussed their findings in a paper presented here at Association for Research in Vision and Ophthalmology.
The mean age of patients with hypotony maculopathy was 51, compared with 71 in the control patients. More than half the patients with hypotony maculopathy were male; in the control group only one-third of patients were male. The mean refractive error was –3 D for the phakic eyes with hypotony maculopathy, whereas eyes in the control group had a mean refractive error of –0.61 D. Of the hypotony maculopathy eyes, 43% underwent primary filtering surgery, while only 26% of the control eyes underwent primary filtering surgery. Choroidal effusion was found in 21% of the hypotony maculopathy eyes and 52% of the control eyes.