Illinois Vision Certification Practice Test

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Prepare for the Illinois Vision Certification Test. Master key concepts with flashcards and multiple choice questions that include hints and explanations. Boost your confidence and ace your exam!

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What does esophoria refer to?

Inward deviation of one eye
Outward deviation of one eye
Upward movement of one eye
Downward movement of one eye

The correct answer is: Inward deviation of one eye

Esophoria refers to a condition where there is an inward deviation of one eye relative to the other when both eyes are open and viewing an object. This means that when a person with esophoria is focusing on something, one eye tends to turn towards the nose more than the other eye does. This inward movement can occur as a result of various factors, including muscle imbalance or neurological conditions, and may not always be present under normal viewing conditions. Understanding this term is crucial in fields such as optometry or ophthalmology, as it helps professionals evaluate and diagnose abnormalities in eye alignment and binocular vision. Observing esophoria can also influence treatment approaches, such as vision therapy or corrective lenses, to improve visual function and comfort. The other choices relate to deviations in different directions but do not accurately describe esophoria.