Woman with Cataracts in Ghana (IMAGE) University of East Anglia Caption Scientists may have found a way to prevent complications from surgery to treat cataract, the world's leading cause of blindness. Credit Fight for Sight Usage Restrictions None License Licensed 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.