Certified Ophthalmic Assistant Practice Exam

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Study for the Certified Ophthalmic Assistant Exam. Prep with flashcards, multiple choice questions, and detailed explanations. Ace your exam!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What is the primary function of tear film?

To refract light
To protect against UV rays
To hydrate and protect the ocular surface
To detect color

The correct answer is: To hydrate and protect the ocular surface

The primary function of the tear film is to hydrate and protect the ocular surface. Tears play a crucial role in maintaining the health of the eyes by providing lubrication, washing away debris, and preventing infections. Options A, B, and D are not correct because tear film does not primarily refract light, protect against UV rays, or detect color.