Ace the Certified Ophthalmic Assistant Exam 2025 – Eye-Opening Success Awaits!

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What test illuminates the screen with a red-green filter for evaluation?

Humphrey Visual Field test

Color vision test

Duochrome test

The test that illuminates the screen with a red-green filter for evaluation is the Duochrome test. This test is used to determine a patient's refractive error or assess the accuracy of a current glasses prescription. By using a red-green filter, the Duochrome test helps to neutralize any chromatic aberrations, making it easier to identify the correct refractive correction.

Option A, the Humphrey Visual Field test, is used to assess a patient's visual field for any defects or abnormalities. Option B, the Color vision test, is used to evaluate a patient's ability to differentiate colors and is not specifically associated with a red-green filter. Option D, the Slit-lamp examination, is a test used to examine the anterior segment of the eye under high magnification and is not related to using a red-green filter on a screen.

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Slit-lamp examination

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