Laser vision correction surgery is for anyone who has
impaired vision due to common refractive errors such
as
Myopia
(nearsightedness) - In a nearsighted eye the
shape of the cornea is too steep or the eye is too
long. As a
result, visual image cannot be focused directly on
the retina and the "picture" transmitted
to the brain is blurred.
Hyperopia (farsightedness) - In
a farsighted eye either the shape of the cornea is
too flat or the eye is too short. The visual image
comes to a focus behind the retina and the "picture" transmitted
to the brain is blurred.
Astigmatism -
The shape of an astigmatic eye is more like an egg
than the basketball shape of a normal eye. This irregular
shape causes light rays to come to a focus at more
than one point in the eye. As a result the images seen
by an astigmatic person are often blurred and distorted.

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