What it means
The root for the irisEYE-risThe colored ring of muscle in the eye that controls the size of the pupil.Full entry , the ring of muscle that gives the eye its color and opens and closes the pupil. Iritis is inflammation of the iris, and an iridotomy is a small laser opening in the iris used to treat some kinds of glaucoma.
At a glance
| Also written | ir/o, irid-, irido- |
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Related terms
iris
The colored ring of muscle in the eye that controls the size of the pupil.