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  2. Prism correction - Wikipedia

    en.wikipedia.org/wiki/Prism_correction

    The most common application for this is the treatment of strabismus. By moving the image in front of the deviated eye, double vision can be avoided and comfortable binocular vision can be achieved. Other applications include yoked prism where the image is shifted an equal amount in each eye.

  3. Aberrations of the eye - Wikipedia

    en.wikipedia.org/wiki/Aberrations_of_the_eye

    Aberrations of the eye. The eye, like any other optical system, suffers from a number of specific optical aberrations. The optical quality of the eye is limited by optical aberrations, diffraction and scatter. [1] Correction of spherocylindrical refractive errors has been possible for nearly two centuries following Airy's development of methods ...

  4. Congenital fourth nerve palsy - Wikipedia

    en.wikipedia.org/wiki/Congenital_fourth_nerve_palsy

    Congenital fourth nerve palsy is a condition present at birth characterized by a vertical misalignment of the eyes due to a weakness or paralysis of the superior oblique muscle. Other names for fourth nerve palsy include superior oblique palsy and trochlear nerve palsy. [1]

  5. Hypertropia - Wikipedia

    en.wikipedia.org/wiki/Hypertropia

    cyclotropia, a cyclotorsional deviation of the eyes (rotation around the visual axis), particularly when the root cause is an oblique muscle paresis causing the hypertropia. Causes. Hypertropia may be either congenital or acquired, and misalignment is due to imbalance in extraocular muscle function.

  6. Heterophoria - Wikipedia

    en.wikipedia.org/wiki/Heterophoria

    Symptoms include chronic headaches, dizziness, and reading difficulties, even with 20/20 vision using corrective lenses. The effort to correct eye misalignment causes eye strain, leading to a range of symptoms that complicate diagnosis and treatment.

  7. Cyclotropia - Wikipedia

    en.wikipedia.org/wiki/Cyclotropia

    Depending on the symptoms, the surgical correction of cyclotropia may involve a correction of an associated vertical deviation (hyper- or hypotropia), or a Harada–Ito procedure or another procedure to rotate the eye inwards, or yet another procedure to rotate it outwards.

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