raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:227976

Autosomal recessive optic atrophy, OPA7 type

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Childhood
Status
active

A rare, syndromic, hereditary optic neuropathy disorder characterized by early-onset, severe, progressive visual impairment, optic disc pallor and central scotoma, variably associated with dyschromatopsia, auditory neuropathy (e.g. mild progressive sensorineural hearing loss), sensorimotor axonal neuropathy and, occasionally, moderate hypertrophic cardiomyopathy.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAutosomal recessive optic atrophy, OPA7 type
frAtrophie optique autosomique récessive type OPA7
deOptikusatrophie, autosomal-rezessive, Typ 7OPA7
esAtrofia óptica autosómica recesiva tipo OPA7
itAtrofia ottica autosomica recessiva, tipo OPA7
nlAutosomaal recessieve opticusatrofie, type OPA7Autosomaal recessieve optische atrofie, type OPA7
ptAtrofia óptica autossómica recessiva, tipo OPA7
plAutosomalny recesywny zanik nerwu wzrokowego, typ OPA7
csAutozomálně recesivní atrofie optiku, typ OPA7
ukАутосомно-рецесивна атрофія зорового нерва, тип OPA7
zh常染色体隐性遗传视神经萎缩OPA7型
trOtozomal resesif optik atrofi, OPA7 tipi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM612989Evalidated
ICD-10H47.2NTBTattributedvalidated
ICD-119C40.B1NTBTattributedvalidated
MONDO0013069Evalidated
UMLSC5190807Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
TMEM126ADisease-causing germline mutation(s) inAssessedHGNC:25382ENSG0000017120261298811q14.1transmembrane protein 126A19327736[PMID]_22815638[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_22815638[PMID]_20405026[PMID]_19327736[PMID]
Cases/families17 casesWorldwideCase(s)Validated22815638[PMID]_20405026[PMID]_19327736[PMID]

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card