Optic nerve atrophy
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Optic nerve atrophy
Alternate Names : Second cranial nerve atrophy
Definition ...
Optic nerve atrophy Degeneration of the optic nerve, which carries vision information from the eye to the brain. People who have optic nerve atrophy may have dimmed or blurred vision as well as a reduced field of vision.
This form of heritable optic nerve atrophy is inherited in an autosomal dominant pattern. A family tree often has a vertical pattern of affected individuals and the condition is passed directly from parent to child with a 50% probability.
Usually, the patient becomes aware of visual field loss only when optic nerve atrophy is marked; the typically asymmetric deficits contribute to delay in recognition.
Hereditary optic nerve atrophy known as Leber's disease (B12)
Hyperthyroidism (B6)
Kidney disease (B1, B2, B4)
Liver (B1, B2, B4, B6) or gallbladder (B4) disease
Neurological diseases or disturbances (folic acid)
Parkinson's disease (B6) ...
Gene Review: Optic Atrophy Type 1
Gene Tests: Optic Atrophy Type 1
MedlinePlus Encyclopedia: Optic Nerve Atrophy
MedlinePlus Encyclopedia: Visual Acuity Test ...
Fahr syndrome thus involves abnormalities of the neurologic system (cerebral calcification, dementia, spastic paraplegia, athetosis), skull (microcephaly, i.e. an abnormally small head), eyes (glaucoma, optic nerve atrophy, retinitis pigmentosa), ...
An obsolete term referring to neoplastic tissue formation involving the apex of the orbit, causing ophthalmoplegia and optic nerve atrophy.
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Symptoms of hypersensitivity may include swelling, itching, and shock. Adverse effects resulting from B12 supplementation are rare. Cobalamin should also be avoided by those who have a type of hereditary optic nerve atrophy known as Leber's ...
 See also: Atrophy, Symptom, Deficiency, Sclerosis, Optic atrophy
  
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