Story perspectives

ESA commissions coin-sized eye-scan chip for astronauts

8/10/2026

Summary

Story summary

ESA in the United Kingdom commissioned Siloton to develop an eye-testing chip smaller than a coin for astronauts.
Siloton partners with the United Kingdom’s National Health Service to enable home retinal self-scans.
ESA aims to treat or prevent Spaceflight-associated neuro-ocular syndrome, which NASA says affects about 70 percent of ISS astronauts.
NASA astronaut John Phillips launched in 2005 with 20/20 vision and returned with 20/100, showing fluid shifts squash eyeballs.

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Story summary

ESA in the United Kingdom commissioned Siloton to develop an eye-testing chip smaller than a coin for astronauts.
Siloton partners with the United Kingdom’s National Health Service to enable home retinal self-scans.
ESA aims to treat or prevent Spaceflight-associated neuro-ocular syndrome, which NASA says affects about 70 percent of ISS astronauts.
NASA astronaut John Phillips launched in 2005 with 20/20 vision and returned with 20/100, showing fluid shifts squash eyeballs.