Iowa State Glaucoma Researchers (IMAGE) Iowa State University Caption Veterinary ophthalmologist Dr. Sinisa Grozdanic, doctoral student Matt Harper and neuroscientist Donald Sakaguchi (left to right) have developed a new technique that successfully treated rats for blindness caused by glaucoma. Credit Bob Elbert, Iowa State Univesity 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.