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June 1972

Therapeutic Vascular Occlusions in Diabetic Retinopathy: Argon Laser Photocoagulation

Author Affiliations

From the Department of Ophthalmology, Jefferson Medical College, Philadelphia.

Arch Ophthalmol. 1972;87(6):629-633. doi:10.1001/archopht.1972.01000020631003

Argon lasers provide photocoagulation at a wavelength and size in which it is possible to treat discrete vessels in the retina or vitreous. Therefore, it is possible to change the hemodynamics of the retina in an attempt to prevent the disabling complications of diabetic retinopathy. Diabetic macular edema may be treated by diminishing arteriolar flow to the edematous area. Proliferative retinopathy can be treated by total closure of the vessels feeding the proliferation.