Certified Ophthalmic Assistant Practice Exam 2025 – All-in-One Guide to Exam Success!

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Question: 1 / 400

Which of the following glands secrete oil in the eyelids?

Conjunctival glands

Meibomian glands

The correct answer is B. Meibomian glands. Meibomian glands are located within the eyelids and secrete an oily substance that helps prevent the evaporation of tears and maintains the tear film on the surface of the eye. This oil also helps prevent tears from overflowing onto the cheeks.

Conjunctival glands (choice A) secrete mucus to lubricate the surface of the eye, sweat glands (choice C) produce sweat to regulate body temperature, and zygomatic glands (choice D) are responsible for producing saliva, not oil in the eyelids.

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Sweat glands

Zygomatic glands

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