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Y-pattern esodeviation is a form of "pattern strabismus" where the inward turning of the eyes (esotropia) is most significant in the primary position and downgaze, but noticeably decreases or disappears in upgaze. This creates a "Y" shape in terms of the alignment change.
read more about y pattern esodeviation ...Unlike a "V-pattern," where the eyes diverge more in upgaze, a Y-pattern is specifically defined by the divergence occurring only as the patient looks upward, while the eyes remain relatively crossed in the middle and lower gaze.
This pattern is often seen in patients with congenital esotropia or Duane Retraction Syndrome. It can also occur following certain types of eye muscle surgeries, such as the transposition of the inferior oblique muscles.
Patients with Y-pattern esodeviation may adopt a compensatory head tilt (chin up) to maintain binocular vision. If left untreated in children, it can lead to "amblyopia" (lazy eye).
Treatment usually involves strabismus surgery. The surgeon may weaken the inferior oblique muscles or vertically transpose the horizontal rectus muscles to collapse the pattern.
Yes, it is a specific type of "crossed eyes" where the severity changes depending on whether you are looking up or down.
While glasses can help with underlying focus issues, the "pattern" itself usually requires surgical muscle adjustment to correct.
Yes, any misalignment of the eyes can disrupt 3D vision and depth perception because the two eyes aren't working as a team.