RETINITIS PUNCTATA ALBESCENS

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Abstract
Retinitis punctata albescens (RPA) can be regarded as one of the subtypes of retinitis pigmentosa (RP) since, except for RPA's remarkable fundus appearance, it acts clinically like RP with patients having nyctylopia and progressive visual field loss.1 Two patients with RPA are presented, one typical and the other atypical, who have been followed for periods of four and nine years, and who clearly demonstrate these functional abnormalities. Each patient had progressive visual field loss with an increase in pigment deposits. In the typical case, the subretinal yellow spots remained the same in size and location, while in the atypical case the yellow deposits disappeared which was concurrent with diffuse RPE atrophy in the same areas. RPA can be distinguished from fundus albipunctatus and fundus flavimaculatus by electroretinographic, visual field, and dark adaptometric studies.

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