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May 1992

Ocular Findings Associated With a Rhodopsin Gene Codon 106 Mutation: Glycine-to-Arginine Change in Autosomal Dominant Retinitis Pigmentosa

Author Affiliations

From the Department of Ophthalmology, University of Illinois at Chicago (Dr Fishman and Mr Gilbert), and the Departments of Ophthalmology (Dr Stone) and Pediatrics (Dr Sheffield), University of Iowa, Iowa City.

Arch Ophthalmol. 1992;110(5):646-653. doi:10.1001/archopht.1992.01080170068026

• Three members of one family and one person from another family were found to have a guanine-to-adenine transition mutation in the first nucleotide of codon 106 in the rhodopsin gene that results in a glycine-to-arginine change. All affected members presented with a similar phenotype that included a regional predilection for pigmentary changes to occur in the inferior retina as well as visual field impairment predominantly in the superior hemisphere. The distribution of pigmentary changes, pattern of visual field loss, and substantial remaining electroretinographic amplitudes with normal implicit times were consistent with a form of "sector" retinitis pigmentosa. We documented the association of a distinct phenotype of autosomal dominant retinitis pigmentosa with a better visual prognosis and a specific rhodopsin gene mutation.

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