Shola the English Shephard when blind (IMAGE) University of Cambridge Caption Shola has Progressive Retinal Atrophy (PRA) – an incurable inherited disease that has caused her to go blind. New research led by Cambridge University has developed a genetic test that means this awful disease can be eliminated from future generations of the breed. Credit University of Cambridge Usage Restrictions With credit License Original content 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.