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 ...

Uveitis is inflammation of the eye originating in the uvea, which includes the iris, ciliary body, and the choroid. Anterior uveitis affects the iris; intermediate uveitis affects the ciliary body, ...

The sclera is the white part of the eye. It is made of tough, fibrous tissue that acts as a protective covering for most of the eyeball. The sclera runs from the cornea at the front of the eye to the ...