FREE CPO Clinical Principles and Procedures Questions and Answers
Which of the following is used to measure intraocular pressure (IOP)?
Correct!
Wrong!
A tonometer measures intraocular pressure, which is critical for diagnosing and monitoring glaucoma. The test assesses the fluid pressure inside the eye.
What is the purpose of the cover test in clinical practice?
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Wrong!
The cover test is used to detect misalignments of the eyes, such as strabismus, by observing how the eyes move when one is covered.
Which pre-test procedure determines the prescription power of the patient’s glasses?
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Wrong!
Lensometry measures the power of the lenses in a patient’s eyeglasses, helping to verify the current prescription.
What is the primary purpose of performing retinoscopy during a patient examination?
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Retinoscopy is a technique used to objectively determine the refractive error of the eye by observing the reflection of light from the retina.
What does a patient’s visual acuity of 20/40 indicate?
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Wrong!
Visual acuity of 20/40 means the patient must be 20 feet away to see what a person with normal vision can see at 40 feet.