OH Vision Test
ISS040-E-006738 (3 June 2014) --- In the International Space Station's Harmony node, European Space Agency astronaut Alexander Gerst, Expedition 40 flight engineer, performs an eye exam for the Ocular Health experiment which observes and seeks to understand vision changes during long-term space missions.
Usage Rights
Most NASA images are in the public domain and free to use. Credit NASA as the source. Check NASA's media usage guidelines for details. Images featuring identifiable individuals may require additional permissions.
Details
NASA ID
iss040e006738
Date Created
June 3, 2014
Center
JSC
Media Type
image
