Associated Defects
Refractive errors such as hyperopia and Anisometropia may be associated abnormalities found in patients with vertical strabismus. The vertical miscoordination between the two eyes may lead to
- Strabismic amblyopia, (due to deprivation / suppression of the deviating eye)
- cosmetic defect (most noticed by parents of a young child and in photographs)
- Face turn, depending on presence of binocular vision in a particular gaze
- diplopia or double vision - more seen in adults (maturity / plasticity of neural pathways) and suppression mechanisms of the brain in sorting out the images from the two eyes.
- Cyclotorsional deviation of the eyes (rotation around the visual axis), particularly when the root cause is an oblique muscle paresis causing the hypertropia.
Read more about this topic: Hypertropia
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