Certified Ophthalmic Assistant Practice Exam

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Study for the Certified Ophthalmic Assistant Exam. Prepare with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

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Which test measure tear flow?

Hardy-Rand-Ritter
Ishihara
Schirmer
Titmus/Wirt

The correct answer is: Schirmer

The correct answer is C. Schirmer test measure tear flow by placing special paper strips called Schirmer strips inside the lower eyelid. The strips absorb tears over a certain period, typically 5 minutes, to assess the quantity of tears produced. This test helps in evaluating the tear production of the patient, which is crucial for diagnosing conditions such as dry eye syndrome. The other options: A. Hardy-Rand-Ritter test is used to measure color vision deficiencies. B. Ishihara test is a color perception test to detect color blindness. D. Titmus/Wirt test is used for stereoacuity or depth perception testing.