5 Key Takeaways

• 1

  Researchers evaluated intraocular lens (IOL) materials after 6 months outside the International Space Station.

• 2

  The study aimed to understand IOL durability for potential cataract surgery during long space missions.

• 3

  Forty-two of 61 space-exposed lenses showed no notable exposure-associated findings after returning to Earth.

• 4

  Nineteen lenses exhibited changes, including cracks and yellow discoloration due to atomic oxygen exposure.

• 5

  The study was exploratory and not designed to compare lens manufacturers or models, requiring further testing.