Certified Ophthalmic Assistant Practice Exam

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Study for the Certified Ophthalmic Assistant Exam. Access multiple choice questions that reflect actual exam content and receive hints and explanations for each question. Prepare effectively and embark on your path to certification!

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!

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The use of cycloplegic drops during refractometry impairs what?

Refraction
Accommodation
Convergence
Binocular vision

The correct answer is: Accommodation

The use of cycloplegic drops during refractometry primarily impairs accommodation. Cycloplegic agents work by temporarily paralyzing the ciliary muscle, which is responsible for the eye's ability to change its shape to focus on near objects. This paralysis effectively stops the eye from being able to accommodate, or adjust its focus, resulting in a more accurate measurement of the refractive error of the eye without the influence of accommodation. This is particularly essential during refractometry to ensure that the test results reflect the true refractive state of the eye, free from the variability introduced by the patient’s ability to accommodate. In context, while the other options relate to various visual functions that may be affected during an eye examination, cycloplegic drops specifically target the accommodation mechanism, allowing for a clearer and more consistent assessment of visual acuity and refractive error.