His blindness is due to the incurable eye condition retinitis pigmentosa. The progressive blindness of Usher syndrome results from retinitis pigmentosa. McCausland is blind due to retinitis pigmentosa. She has a genetic eye condition called retinitis pigmentosa. Joubert syndrome is one of the many genetic syndromes associated with syndromic retinitis pigmentosa. It was granted orphan drug status for Leber congenital amaurosis and retinitis pigmentosa. Dysfunction of the RPE is found in age-related macular degeneration and retinitis pigmentosa. He was blind from birth from a combination of macular degeneration and retinitis pigmentosa. Mutations in four pre-mRNA splicing factors are known to cause autosomal dominant retinitis pigmentosa. Tatel has been blind since 1972 due to retinitis pigmentosa. Because of this choroideremia is often initially misdiagnosed as retinitis pigmentosa. There are multiple genes that, when mutated, can cause the retinitis pigmentosa phenotype. There is currently no cure for retinitis pigmentosa. Associated conditions such as angioid streaks and retinitis pigmentosa should be screened for. Retinitis pigmentosa is generally inherited from a person's parents.