Early-onset X-linked optic atrophy

What is Early-onset X-linked optic atrophy?

Early-onset X-linked optic atrophy is a rare form of hereditary optic atrophy, seen in only 4 families to date, with an onset in early childhood, characterized by progressive loss of visual acuity, significant optic nerve pallor and occasionally additional neurological manifestations, with females being unaffected.

Other condition names

  • Non-Leber type optic atrophy with early-onset
  • OPA2
  • Optic atrophy type 2

Inheritance type

X-linked recessive


  • Worldwide: <1 in 1,000 000

Age of Onset

  • Childhood
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