Researcher with optical setup (IMAGE) Optica Caption Researchers have developed new instruments for rigorously quantifying and comparing the light focusing properties of specialized eyeglass lenses that are used to slow the progression of myopia, or nearsightedness. Augusto Arias-Gallego is shown working on the setup that was used to measure the focusing properties of these special lenses. Credit Carl Zeiss Vision International GmbH Usage Restrictions None 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.