Certified Paraoptometric (CPO) Practice Exam 2025

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Prepare for the Certified Paraoptometric Exam with our comprehensive quiz featuring multiple-choice questions. Each question is accompanied by hints and explanations, helping you build your knowledge and confidence. Get ready to excel in your career!

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What test is used to assess the binocular relationship of the eyes?

  1. Retinoscopy

  2. Visual Acuity

  3. Cover/Uncover test

  4. Keratometry

The correct answer is: Cover/Uncover test

The cover/uncover test is utilized to evaluate the binocular relationship of the eyes, specifically to assess for strabismus or other alignment issues between the two eyes. During this test, one eye is covered while the other is exposed, and then vice versa. This allows the practitioner to observe how each eye moves when the other is covered and to detect any misalignment. If the uncovered eye moves to fixate on an object when the covered eye is uncovered, this indicates that there may be a problem with eye alignment. In contrast, other options listed serve different purposes. Retinoscopy is used to determine the refractive error of the eyes by observing the reflection of light in the retina. Visual acuity tests measure how well a person can see at various distances but do not assess eye coordination or alignment. Keratometry measures the curvature of the cornea, primarily for contact lens fitting and evaluating corneal conditions, rather than assessing the relationship between the two eyes.