Researchers (IMAGE) University of Granada Caption The UGR researchers posing with the EnChroma® glasses for colorblind people studied in this research. From left to right: Luis Gómez, Eva Valero, Javier Hernández, Miguel Ángel Martínez and Rafael Huertas. Credit University of Granada 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.