NASA Astronaut Undergoes Eye Examinations in Space

NASA astronaut Sunita Williams, currently on the International Space Station (ISS), recently underwent comprehensive eye examinations to understand the effects of long-duration spaceflight on her vision. The tests aimed to capture detailed images of her cornea, lens, and optic nerve.

The examinations were conducted alongside her crew members as part of an ongoing effort to develop strategies to protect astronauts’ vision during extended space missions. Medical professionals monitored the procedure to ensure accurate data collection.

The gathered data will contribute to research on developing treatments for potential vision problems that can arise in space. This mission highlights the importance of monitoring astronauts’ health in microgravity.

Dr. Vineet Sehgal emphasized the need for regular eye checkups in space, as microgravity can significantly affect the human body, including the eyes. Monitoring ensures that any issues are identified and addressed promptly, maintaining the astronauts’ health and mission performance.

A common issue faced by astronauts is Spaceflight-Associated Neuro-ocular Syndrome (SANS), which includes changes in vision, optic disc edema, globe flattening, and choroidal folds. The primary cause of SANS is believed to be fluid shifts in the body caused by microgravity.

Understanding and mitigating these eye health issues are crucial for astronaut safety and well-being. As space missions become longer and more frequent, maintaining good eye health is essential.

The eye checkups and ongoing research are vital for developing effective treatments and countermeasures. Ensuring that astronauts can maintain good vision and overall health during space missions remains a top priority for NASA and the scientific community.
Source: https://www.businesstoday.in/visualstories/news/is-sunita-williams-losing-sight-in-space-as-9-day-nasa-mission-turns-into-2-months-due-to-boeing-starliners-issues-160275-06-08-2024