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PUBLIC MARKS from recommendations with tag Difficult

June 2008

How do Contact Lenses Work

by 36 others

For those with astigmatism, the problem is a little different. An irregularly shaped cornea characterizes astigmatism. Therefore, the light entering the eye is focused on two separate points within the eye.

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February 2007

Advanced Color Theory

Other Articles: Color Poster Color Basics Color Mixing Color Models The Color of Music Prismology Color Math Color Glossary Color Theory Color Techniques

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