How does laser eye surgery actually work? Which part of the eye are they working on and how is a laser the tool of choice?
In: Technology
The cornea is the outer layer of your eye. It focuses light on the lens, which then projects the light onto the retina, which actually transmits the image to your eye. Muscles in your eye can squeeze and stretch the lens to adjust the focus.
Laser eye surgery (typically) changes the shape of the cornea to adjust the initial focusing of the light that falls on the lens. There are other types of surgery that don’t use a laser, but making a complex adjustment to the cornea can be done easily and quickly with a computer controlled laser.
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