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Microperimetry used to predict outcomes of macular translocation

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Microperimetry performed with a scanning laser ophthalmoscope can be used to predict visual acuity results after macular translocation, according to a Japanese study.

Tomohito Oyagi, MD, and colleagues performed macular translocation with 360· retinotomy and simultaneous torsional muscle surgery on 25 eyes of 25 patients with choroidal neovascularization. The researchers used scanning laser ophthalmoscope (SLO) microperimetry to determine the index of foveal sensitivity and the index of fixation stability in each eye before and after surgery.

The index of foveal sensitivity increased in 14 of 25 eyes, and the index of fixation stability improved in 10 of 25 eyes. The preoperative index of foveal sensitivity and visual acuity after the translocation surgery were moderately correlated. The preoperative index of fixation stability and VA after the surgery were highly correlated.

The study is published in the August issue of Retina.