Researchers are applying stem cell transplantation to problems of photoreceptor preservation and replacement. Such an approach holds promise in the setting of disabling conditions such as retinitis pigmentosa (RP) and age-related macular degeneration (AMD).

Henry Klassen, M.D., Ph.D. is a professor of Ophthalmology at the University of California, Irvine, and the lead scientist in the multi-institutional Retinal Regeneration Program.