retinal specialists throughout the country to provide the information, resources and hope patients need upon being diagnosed with a retinal degenerative disease. See also Leber congenital amaurosis Macular degeneration Usher syndrome Retinitis pigmentosa Stargardt disease References External links Foundation Fighting Blindness National Neurovision Research Institute (NNRI) VisionWalk Blindness organizations in the United States Non-profit organizations based in Maryland