Late development of chorioretinal lesions in birdshot retinochoroidopathy.
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The clinical manifestations of diffuse retinochoroidopathy after recurrent episodes of vitriitis led to the diagnosis of birdshot retinochoroidopathy in two patients in whom the initial lesions were cystoid macular edema and papillophlebitis. Although the onset and clinical characteristics of the early lesions varied, both patients had manifestations of chronic retinal vasculitis. We observed the late appearance and evolution of the characteristic cream-colored depigmented spots which were not present in the early stages of the disease. In addition the second case also developed choroidal neovascularization. Serial electroretinographic examinations showed that this disorder has a progressive course from focal lesions to widespread diffuse changes.