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ABO NOCE Basic Opticianry

Category - Ocular Anatomy, Physiology, and Pathology

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Which of the following spreads a tear film over the cornea?

Iris
Eyelids
Tear duct
Sclera

Explanation

Answer: B - Eyelids

The eyelids spread a tear film over the cornea. The eyelids also protect and swab the eye.

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