The characin fish Astyanax mexicanus includes both eyed (surface fish and eyeless (cavefish morphs that initially develop eyes with normal retina however, early in development, the eyes of cavefish degenerate. Mutations within genes affecting eye development and retinal function cause a host of degenerative visual diseases, including retinitis pigmentosa and anophthalmia/microphthalmia.
Quantitative genetic analysis of retinal degeneration in the blind cavefish Astyanax mexicanus.ĭirectory of Open Access Journals (Sweden)įull Text Available The retina is the light-sensitive tissue of the eye that facilitates vision.
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