The colored part of the eye surrounding the pupil is called the iris. It automatically regulates the amount of light entering the eyes by regulating the size of the pupil. Light is the primary ...
In a study well-timed for summer, vision scientists have found that eye freckles, dark spots on the colored part of the eye (iris), are more frequently found in people with higher lifetime exposure to ...
A look at one of the entries that fooled solvers in last week’s puzzles. By Deb Amlen The UVEA is the middle layer of the eye. It lies under the sclera, or the white part of the eye. The iris, the ...
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