(IMAGE) Friedrich-Schiller-Universitaet Jena Caption PhD student Oksana Smirnova from the University of Jena in Germany is investigating optical microlenses made from hybrid glasses. Credit (Image: Jens Meyer/University of Jena) Usage Restrictions Free of charge in connection with this press release. 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.