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  2. Blepharospasm - Wikipedia

    en.wikipedia.org/wiki/Blepharospasm

    Particularly when associated with dry eyes, blepharospasm may be relieved with warm compresses, eye drops, and eye wipes. [40] [41] A Japanese study showed that warm compresses containing menthol were more effective in increasing tear film. [42] Drugs used to treat blepharospasm are anticholinergics, benzodiazepines, baclofen, and tetrabenazine ...

  3. Diplopia - Wikipedia

    en.wikipedia.org/wiki/Diplopia

    In such a case while the fovea of one eye is directed at the object of regard, the fovea of the other is directed elsewhere, and the image of the object of regard falls on an extrafoveal area of the retina. Acute diplopia is a diagnostic challenge. The most common cause of acute diplopia are ocular motor nerve palsies (OMP). [18]

  4. Meige's syndrome - Wikipedia

    en.wikipedia.org/wiki/Meige's_syndrome

    It is both a cranial and a focal dystonia. Cranial refers to the head and focal indicates confinement to one part. The word dystonia describes abnormal involuntary sustained muscle contractions and spasms. Patients with blepharospasm have normal eyes. The visual disturbance is due solely to the forced closure of the eyelids. [citation needed]

  5. Oculogyric crisis - Wikipedia

    en.wikipedia.org/wiki/Oculogyric_crisis

    This neurological phenomenon is characterized by a sustained dystonic, conjugate, involuntary upward deviation of both eyes lasting seconds to hours. The term oculogyric is applied in reference to the simultaneous upward movement of both eyes, although the reaction may encompass a variety of additional responses. [ 1 ]

  6. Horner's syndrome - Wikipedia

    en.wikipedia.org/wiki/Horner's_syndrome

    The ptosis from inactivation of the superior tarsal muscle causes the eye to appear sunken in, but when actually measured, enophthalmos is not present. The phenomenon of enophthalmos is seen in Horner's syndrome in cats, rats, and dogs. [5] Sometimes there is flushing on the affected side of the face due to dilation of blood vessels under the skin.

  7. Canine glaucoma - Wikipedia

    en.wikipedia.org/wiki/Canine_glaucoma

    Canine glaucoma refers to a group of diseases in dogs that affect the optic nerve and involve a loss of retinal ganglion cells in a characteristic pattern. An intraocular pressure greater than 22 mmHg (2.9 kPa) is a significant risk factor for the development of glaucoma.

  8. Monocular vision - Wikipedia

    en.wikipedia.org/wiki/Monocular_vision

    Monocular vision is vision using only one eye. It is seen in two distinct categories: either a species moves its eyes independently, or a species typically uses two eyes for vision, but is unable to use one due to circumstances such as injury. [1] Monocular vision can occur in both humans and animals (such as hammerhead sharks).

  9. Anterior ischemic optic neuropathy - Wikipedia

    en.wikipedia.org/wiki/Anterior_ischemic_optic...

    This optic nerve must penetrate through the wall of the eye, and the hole to accommodate this is usually 20-30% larger than the nerve diameter. In some patients the optic nerve is nearly as large as the opening in the back of the eye, and the optic disc appears "crowded" when seen by ophthalmoscopy. A crowded disc is also referred to as a "disc ...