Retinal cone degeneration

General: Autosomal dominant; diffuse cone degenerat 141h75b ion; progressive loss of visual acuity; macular lesion has a bull's-eye appearance produced by a central area of uninvolved epithelium.

Ocular: Photophobia; defective color vision; loss of side vision; night blindness; macular lesion; poor central acuity and visual field scotomata closer to fixation ed to patients with retinal rod degeneration.

Clinical: None.

Heckenlively JR, et al. Telangiectasia and optic atrophy in cone-rod degenerations. Arch Ophthalmol 1981; 99: 1983-l991.

Krill AE, et al. The cone degenerations. Doc Ophthalmol 1973; 35:1-80.

McKusick VA. Mendelian Inheritance in Man; A Catalog of Human Genes and Genetic Disorders, 12^th ed. Baltimore: The Johns Hopkins University Press, 1998.

Online Mendelian Inheritance in Man, OMIM. McKusick-Nathans Institute for Genetic Medicine, Johns Hopkins University and National Center for Biotechnology Information, National Library of Medicine, February 12, 2007. World Wide Web URL: https://www.ncbi.nlm.nih.gov/omim/.

Miller NR, ed. Walsh and Hoyts Clinical Neuro-Ophthalmology, vol. 5, part 1, 4^th ed. Baltimore: Williams & Wilkins, 1995.

Rabb MF, et al. Cone-rod dystrophy: a Clinical and histopathologic report. Ophthalmology 1986; 93:1443-l450.

Weleber RG. Retinitis pigmentosa and allied disorders. In: Ryan SJ, ed. Retina, vol. L 2nd ed. St. Louis: Mosby, 1994:359-360.