Pigment Epithelium Defects after Submacular Surgery for Choroidal Neovascularization: First Results

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Abstract
It was the aim of this study to compare postoperative pigment epithelium defects after submacular surgery for well-defined choroidal neovascularization (CNV) with preoperative fluorescein angiogram (FAG), indocyanine green angiogram (ICG), and intraoperative findings of the excised neovacularization. Surgical removal of the CNV was videotaped. By means of a gauge the absolute size of an anatomic structure was determined which was visible on video, FAG, and ICG as well. Postoperatively another FAG was performed to further examine the funduscopically visible pigment epithelium defect. By comparison with the above-mentioned anatomic structure it was thus possible to determine the exact size of CNV and pigment epithelium defect. The extent of the pigment epithelium defect as determined on postoperative FAG after submacular surgery surpasses the size of CNV as measured in FAG, ICG, and anatomical preparation.

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