Certified Ophthalmic Assistant Practice Exam

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A triangular thickening of the conjunctiva that partially covers the cornea is known as

  1. Entropion

  2. Hyphema

  3. Ptosis

  4. Pterygium

The correct answer is: Pterygium

A pterygium is a triangular thickening of the conjunctiva that extends onto the cornea. It is a common ocular condition caused by excessive sun exposure and can lead to symptoms such as redness, irritation, and blurred vision. Entropion refers to an inward turning of the eyelid, which can cause the eyelashes to rub against the cornea and irritate the eye. Hyphema is the presence of blood in the anterior chamber of the eye, typically due to trauma or other underlying eye conditions. Ptosis is the drooping of the upper eyelid, often caused by a weakening of the muscle responsible for lifting the eyelid.

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