Did you know that NASA has a fully equipped eye care clinic at the International Space Station? It’s become a necessity. We’ve learned that while in space, in addition to bone and muscle density changes, astronauts’ eyes go through visual and physical changes as well. Astronauts can experience SANS during space travel, Spaceflight Associated Neuro-ocular Syndrome. While in space, the eye globe experience flattening. This causes a hyperopic shift, making the astronauts become more farsighted. During their time in micro…

Eyes In Space