Request InfoFor Treating Macular Degeneration, Diabetic RetinopathyCoherent Inc.SANTA CLARA, Calif., Feb. 13, 2008 -- Coherent Inc. has introduced two new optically pumped semiconductor lasers (OPSLs) for laser photocoagulation treatment of wet-form macular degeneration and diabetic retinopathy. The OPSL 532-5 is a 5-W green laser with output at 532 nm, and the OPSL 577-3 delivers 3-W of yellow output at 577 nm. This new yellow wavelength is exactly matched to the main absorption peak of oxygenated hemoglobin and provides a higher degree of tissue selectivity than any previous laser wavelength, Coherent said, which should deliver superior results with reduced patient discomfort. 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