Gene Therapy for Retinitis Pigmentosa (video) NIH/National Eye Institute Share Print E-Mail Loading video... Caption NEI-funded researchers, led by the University of Pennsylvania, tested the impact of gene therapy on a dog's vision by comparing how well it navigated an obstacle course using its untreated eye, and then its treated eye. Credit Drs. William A. Beltran and Artur V. Cideciyan of the University of Pennsylvania 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.