Pterygium Pre- and Post-treatment Photos Using Dipyridamole Eye Drops (image) MedInsight Research Institute Share Print E-Mail Caption These are pre- and post-treatment photos of a pterygium treated with an eye drop formulation of the anti-anginal drug dipyridamole (Persantin®). Credit MedInsight Research Institute Usage Restrictions Image may only be used with appropriate caption and credit. 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.