Laser Photocoagulation of Macular Lesions

Okisaka Shigekuni

doi:10.2530/jslsm1980.13.supplement_169

There are argon, krypton, dye, diode and Nd: YAG lasers commercially available for laser photocoagulation of the posterior segment. This is particularly important for treatment of the xanthophyll laden area of the macula. For the treatment of macular lesions, argon laser is not recommended. Because argon laser is absorbed at the level of the pigment epithelium and xanthophyll.<BR>When leakage is focal and central vision is threatened by foveal edema in diabetic maculopathy, dye and krypton laser photocoagulation will usually dry out the involved area and prevent further visual loss. To clear edema from the fovea in retinal vein occlusion, dye and krypton laser photocoagulation will be placed to the macula. This is extending peripherally with scattered laser treatment. The patients with visual decrease from disciform macular degeneration may benefit from dye, diode and Nd:YAG laser treatment if a subretinal new vessel is demonstrated to be outside the vessel free zone. If central serous retinopathy does not subside in 3 months, dye and krypton laser photocoagulation may be considered to the site of retinal pigment epithelium leakage.

Laser Photocoagulation of Macular Lesions

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