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Abstract
The physiopathologic effects of oxygen, especially under hyperbaric conditions, on the retina and microcirculation were reviewed. The therapeutic effects of oxygen on ischemic (vascular) retinal disorders toere evaluated in 7 cases--2 with central retinal artery occlusion, one with exudative disciform retinopaihy, one with central serous retinopathy, and 3 with diabetic retinopathy. Whereas no definite improvement in the visual function teas noted under oxygen therapy, the changes in the scotoma related to vascular occlusion and angioscotoma and the vasodilatation noted in diabetic retinopathy are phenomena previously not described and whose significance is yet to be defined