optic atrophy 2 https://github.com/monarch-initiative/mondo/issues/4521 https://www.malacards.org/card/optic_atrophy_2 MESH:C537125 OMIM:311050 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. Orphanet:98890 non-Leber type optic atrophy with early-onset UMLS:C1839576 SCTID:721200000 optic atrophy 2 MONDO:0010698 optic atrophy type 2 DOID:0111443 MEDGEN:326915 optic atrophy 2, X-linked GARD:0010199 OPA2 X-linked syndromic intellectual disability hereditary optic atrophy