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PUBLIC MARKS from druckfrisch with tags powers & problems

13 August 2008 06:30

How do Contact Lenses Work

by 36 others

For those individuals with visual problems, there is a problem between the length of their eye and its refractive power. As a result, the eye experiences a refractive error. A refractive error is a problem in which the eye fails to focus light properly.

contact lenses vision astigmatism wear problem lens properly objects worn place toric refractive result people person hand correction retina presbyopia

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PUBLIC MARKS from druckfrisch with tags powers & problems

13 August 2008 06:30

How do Contact Lenses Work

druckfrisch's TAGS related to tag powers