Effect of preoperative detection of photoreceptor displacement on postoperative foveal findings in eyes with idiopathic macular hole

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Abstract
In idiopathic macular hole formation, Gass1 hypothesised that macular holes enlarge with displacement of the photoreceptors without tissue loss around the fovea. Jensen and Larsen2 developed binocular kinetic perimetry that could evaluate local retinal photoreceptor displacement and also confirm centrifugal photoreceptor displacement away from the foveola in eyes with a macular hole. Using the binocular perimetry technique and scanning laser ophthalmoscope microperimetry, we confirmed that the patients with a unilateral macular hole with preoperative photoreceptor displacement had better postoperative visual function when compared to patients without preoperative photoreceptor displacement.3 We also previously reported that the postoperative foveal findings were correlated with the postoperative visual function in eyes with macular hole.4 The purpose of the present study was to investigate whether or not detecting photoreceptor displacement preoperatively affects the postoperative foveal findings …