In esotropia, eccentric fixation is typically in which direction?

Get ready for the NBEO Binocular Vision Test. Study with comprehensive materials and multiple-choice questions. Enhance your exam readiness with detailed explanations and practice questions to improve understanding and performance.

Multiple Choice

In esotropia, eccentric fixation is typically in which direction?

Explanation:
In esotropia, the eye turns inward, and the brain often adopts a nonfoveal fixation point to help two eyes work together. This commonly occurs on the nasal retina of the deviated eye. Using a point on the nasal retina allows the image to align with the other eye’s foveal axis, helping maintain binocular fusion despite the inward turn. If fixation were shifted to the temporal, superior, or inferior retina, the alignment between the two eyes would be less favorable for fusion, so nasal fixation is the typical pattern.

In esotropia, the eye turns inward, and the brain often adopts a nonfoveal fixation point to help two eyes work together. This commonly occurs on the nasal retina of the deviated eye. Using a point on the nasal retina allows the image to align with the other eye’s foveal axis, helping maintain binocular fusion despite the inward turn. If fixation were shifted to the temporal, superior, or inferior retina, the alignment between the two eyes would be less favorable for fusion, so nasal fixation is the typical pattern.

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