American Board of Opticianry (ABO) Practice Test 2025 - Free ABO Practice Questions and Study Guide

Question: 1 / 400

What is the expected outcome of using different lens powers?

All patients will find them equally effective

They may alter the perceived size of the eyes

Using different lens powers can indeed alter the perceived size of the eyes. This phenomenon occurs due to the nature of optical magnification and minification associated with lens prescription. Lenses that are stronger (higher plus power) can make objects appear larger than they are, while stronger minus lenses often make objects appear smaller. This visual effect impacts how a patient perceives not only the objects they look at but also their own eyes in relation to their surroundings.

Different lens powers are prescribed based on individual visual needs, aiming to correct refractive errors and improve overall vision clarity, but the influence on the perception of eye size is a notable and observable outcome. Therefore, while lens powers serve corrective functions, their impact on aesthetics—how the eyes are perceived—is an important consideration in optometry and eyewear fitting.

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They always improve vision

They are solely for aesthetic purposes

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