John Wenberg's Retinitis Pigmentosa - Defines condition and provides many links to sources such as genetics, e-mail groups, research, articles, free books on tape, Yahoo's RP club,  personal accounts, etc.

The British Retinitis Pigmentosa Society - Comprehensive coverage includes genetic factors, genetic research, tips for talking to doctor, diagnosis and testing,  and how it affects lifestyles. Provides links to articles, reports,  RP societies, and more.

The Texas Association of Retinitis Pigmentosa - Educates and gives emotional support to those with the disease. Links to articles, support group, support services, vision loss books  and other RP web sites. Information packet available.

The Western Australian Retinitis Pigmentosa Foundation - Outlines causes, symptoms, research studies, diagnosis, and treatments. Describes living with RP and lists RP support groups. Includes chat room, mailing list, links to related sites, and more.

Prevent Blindness America - Overview of its symptoms, diagnosis, and treatment.

The American Optometric Association - This site defines retinitis pigmentosa and describes  RP development and symptoms.  It lists dietary aids and devices for maximizing vision.