ABO NOCE Practice Test 2025 - Free Optician Certification Practice Questions and Study Guide

Question: 1 / 400

What type of strabismus involves an inward eye deviation?

Hypertropia

Hypotropia

Exotropia

Esotropia

Esotropia is characterized by an inward deviation of one or both eyes. In this condition, the affected eye or eyes turn towards the nose, leading to a misalignment that can affect binocular vision and depth perception. It is often noticeable when one eye appears to focus on an object while the other turns inward, which may be more pronounced when the person is tired or focusing on near objects.

Hypertropia refers to a vertical misalignment where one eye is higher than the other, while hypotropia indicates that one eye is lower than the other, both of which do not involve inward deviation. Exotropia, conversely, describes an outward eye deviation where one or both eyes squint away from the nose. Hence, these types of strabismus do not involve the inward turning characteristic of esotropia.

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