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Laser Refractive

Laser Refractive Video

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In a normal eye, light is focussed by the cornea and lens ...
... to form a sharp image on the retina at the back of the eye.
Short-sightedness occurs when the eye is too long ...
... so that the light comes to a focus in front of the retina.
Long-sightedness occurs when the eye is relatively too short.
To correct short-sightedness, a laser is used to flatten the cornea slightly.
For long-sightedness the laser is used to make the cornea a little steeper.
Laser surgery can be used to correct most prescriptions including astigmatism.

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