Abstract
Four patients with retinitis pigmentosa and either disc or peripheral retinal neovascularization with recurrent vitreous hemorrhage are described. One patient with peripheral retinal neovascularization also had rubeosis and neovascular glaucoma. The effects of relative hyperoxia on the retinal microcirculation in retinitis pigmentosa as well as intraocular inflammation may account for such changes. Laser photocoagulation appears effective in preventing vitreous hemorrhage in these patients, but systemic administration of corticosteroids did not cause the new vessels to regress.
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