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S. Reddy, A. Kaines, A. Hu, S. D. Schwartz; Ultra Wide Field Fluorescein Angiography Guided Targeted Retinal Photocoagulation. Invest. Ophthalmol. Vis. Sci. 2009;50(13):5268.
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Diabetic retinopathy is a leading cause of vision loss worldwide. Treatment of proliferative retinopathy by pan retinal photocoagulation (although successful) does have complications (constricted visual field, nyctalopia and macular edema). The severity of these complications is proportional to the amount of laser given. To minimize these, this study investigated if ultra wide field fluorescein angiography could identify areas of non perfusion for targeted (rather than pan) retinal photocoagulation.
Two cases of proliferative diabetic retinopathy were identified who underwent ultra wide field fluorescein angiography. Targeted retinal photocoagulation (TRP) to areas of retinal capillary non-perfusion was undertaken and outcomes reported.
The application of TRP successfully led to the regression of the retinal neovascularization.
By providing up to a 200 degree field of view, accurate delineation of retinal capillary non-perfusion and precise application of photocoagulation is achievable. With less laser, reduced field, nyctalopia and macula oedema are likely to be minimized.
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