how did we figure out laser surgery to correct various eye-related problems and how does it work?
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I don’t know if this is true, but I read that the first surgery to correct nearsightedness was invented when a man wearing glasses was punched in the face during a fight.
The shards from his glass lens bruised his eye, slightly deforming his eye lens and his vision improved as a consequence. The doctor who treated him got the idea to do slight cuts on the surface of the eye using a diamond scalpel, changing the shape of the eye lens enough to fix the imperfection that caused the nearsightedness.
The laser surgery was an improvement on the process, using a laser instead of the diamond scalpel.
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