Akihiko Hoshide, JAXA (IMAGE) University of Houston Caption Japan Aerospace Exploration Agency (JAXA) astronaut Akihiko Hoshide, Expedition 33 flight engineer, prepares to perform ultrasound eye imaging in the Columbus laboratory of the International Space Station. This is part of the Health Maintenance System Tonometry payload. Credit National Aeronautics and Space Administration 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.