Shola the English Shepherd Dog (IMAGE) University of Cambridge Caption Shola worked for the Edale Mountain Rescue Team before she was unable to carry on due to failing eyesight. She has Progressive Retinal Atrophy (PRA) – an incurable inherited disease that has caused her to go blind. 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.