Certified Ophthalmic Assistant Practice Exam

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What test plates are used to assess color vision?

Hardy-Rand-Ritter
Ishihara
Schirmer
Titmus/Wirt

The correct answer is: Ishihara

The correct answer is B. Ishihara. Ishihara test plates are commonly used to assess color vision. These plates consist of a series of colored dots or plates with numbers or patterns embedded within them. Individuals with color vision deficiencies may have difficulty distinguishing the numbers or patterns within the Ishihara plates. The other options are not used to assess color vision: A. Hardy-Rand-Ritter test plates are used to test color vision deficiencies in individuals with acquired color vision disturbances. C. Schirmer test is used to assess tear production in the eyes. D. Titmus/Wirt test is used for stereoscopic vision or depth perception assessment.