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Ophthalmic Assistant

Category - Visual Assessment

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Which of the following allows the patient to visualize a Snellen chart without interference from a clouded lens?

Interferometer
PAM
Near-vision testing
Lensometer

Explanation

Answer: B - PAM

A PAM, or potential acuity meter, allows the patient to visualize a Snellen chart without interference from a clouded lens. The prognostic significance of this test is that it allows a physician to give an estimate of what a patient’s visual acuity will be after cataract surgery. It also lets the physician know whether or not the retina and media are intact.

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