Ace the Certified Ophthalmic Assistant Exam 2025 – Eye-Opener Prep for Your Bright Future!

Question: 1 / 400

What is one function of the tear film in the eye?

Amplifying light transmission

Hydrating and protecting the ocular surface

The correct answer is indeed focused on the role of the tear film in hydrating and protecting the ocular surface. The tear film consists of a complex mixture of water, oils, and mucins that not only keeps the surface of the eye moisturized but also helps shield it from environmental irritants, infections, and physical damage.

Additionally, the tear film aids in maintaining a smooth refractive surface, which is essential for clear vision. Its composition is crucial for the overall health of the corneal epithelial cells and provides nutrients that support these cells. By keeping the ocular surface hydrated and providing protection, the tear film plays a vital role in ensuring proper eye function and comfort.

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Increasing intraocular pressure

Enhancing the corneal reflex

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