Electrophysiological studies on Kirisawa type uveitis (acute retinal necrosis).

Kirisawa type uveitis (acute retinal necrosis) is characterized by a necrotizing retinitis, heavy vitreous opacities, retinal vasculitis, and subsequent retinal detachment. Not only the etiology but also the clinical findings of this disease have not yet been defined. In the preceding year we have seen four patients whose clinical course and findings were similar to each other. In two of them a vitrectomy and an encircling operation have been performed before retinal detachment occurred. This treatment has found to be effective. In all 4 cases electrophysiological examinations were done at various stages of the disease. ERGs following pattern and flash stimuli varied in accordance with retinal changes, while VECPs were less strongly affected as ERGs. Results are discussed referring to fluorescein angiographic findings and ocular changes.