What Is the Purpose of Iris?
The purpose of the iris is to regulate the amount of light that enters the eye by adjusting the size of the pupil. This circular muscle tissue acts like an aperture in a camera,...
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eye anatomy
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Hooded Eyes Meaning: Definition, Causes, and Practical Management
Hooded eyes describe a condition where excess skin from the upper eyelid drapes downward, partially covering the crease and sometimes the pupil, creating a heavier, tired, or na...
Read articleCiliary Muscle: Function, Anatomy, and Role in Eye Focus
The ciliary muscle is a ring of smooth muscle inside the eye that controls lens shape to enable clear vision at different distances. By contracting and relaxing, it adjusts the...
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