The Sanger Institute: X. laevis and X. tropicalis EST databases
SDSC Workbench: Online computer tools for molecular biology
Understanding Retinitis Pigmentosa : A comprehensive information booklet for patients and their families
Retnet: Information on the genetics of eye diseases
The Carver Laboratory: Provides at-cost genetic testing service for retinitis pigmentosa and other disorders of the retina
Webvision: Everything about the science of vision
Xenbase: Links to everything Xenopus related, and the Xenopus community.