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. 1992 Jan 15;113(1):36-8.
doi: 10.1016/s0002-9394(14)75750-2.

Retinal oxygenation and laser treatment in patients with diabetic retinopathy

E Stefánsson  1 , R Machemer, E de Juan Jr, B W McCuen 2nd, J Peterson
Affiliations

Retinal oxygenation and laser treatment in patients with diabetic retinopathy

E Stefánsson et al. Am J Ophthalmol. .

Abstract

The oxygen tension in the preretinal vitreous cavity was measured in human patients undergoing vitreous operations for proliferative diabetic retinopathy. The oxygen tension was significantly higher (P = .004) over areas of retina that had been treated with panretinal photocoagulation than it was over untreated areas in the same retina. This confirmed previous results in animals that showed that panretinal photocoagulation increases the inner retinal oxygen tension. We concluded that panretinal photocoagulation improves the oxygen supply to the inner retina and thereby minimizes the influence of retinal ischemia in diabetic retinopathy.

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