Certified Paraoptometric (CPO) Practice Exam 2025

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What type of test does not require patient responses?

Subjective test
Objective test
Diagnostic test
Screening test

The correct answer is: Objective test

The correct answer is objective test. An objective test measures a patient's visual function without requiring their feedback or interpretation of results. These tests are designed to gather data in a quantifiable manner, often using instruments or methods that produce results that can be observed and recorded independently of the patient's input. Examples include automated visual field tests, tonometry for measuring intraocular pressure, or fundus photography. Subjective tests, in contrast, depend on the patient's perceptions and responses about what they see, such as a visual acuity test where patients read letters on a chart. Diagnostic tests can be subjective or objective, depending on their design, and are focused on identifying specific conditions or diseases. Screening tests are often more preliminary assessments to determine if further evaluation is needed; while they may involve responses, they can also include objective measures.