Cohen syndrome with bull's eye macular lesion

Abstract
The Cohen syndrome is an autosomal recessive disorder which is characterized by hypotonia, obesity, mental deficiency, and facial, oral and ocular anomalies. During a twelve-year period of observation, the authors’ patient manifested pigmentary retinal degeneration and a bull's eye macular lesion. The Cohen syndrome must be included in the differential diagnosis of syndromes with retinitis pigmentosa.