Vision of Patients with Retinitis Pigmentosa (2 of 2) (image) Columbia University Medical Center Share Print E-Mail Caption These ar eimages of normal (above) and diseased retinas. Patients with MFRP mutations, a cause of retinitis pigmentosa, lose the function of most retinal cells, particularly at the periphery of the retina, leaving them with drastically reduced vision. Personalized gene therapy, using iPS cells, may offer a way to correct this genetic disorder. Credit Columbia University Medical Center Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.