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!

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Why is corneal curvature measurement important for contact lenses?

  1. The lens must touch the corneal surface

  2. The lens must touch the conjunctival surface

  3. The lens must rest on the cornea

  4. The lens must rest on the tear film

The correct answer is: The lens must rest on the cornea

Corneal curvature measurement is important for contact lenses because the lens must rest on the cornea. The curvature of the cornea helps to determine the proper fit of the contact lens. If the contact lens does not match the curvature of the cornea, it can cause discomfort, poor vision, and potential damage to the cornea. Therefore, ensuring the contact lens rests properly on the cornea is crucial for comfort and optimal vision correction.

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