raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:289499

Congenital cataract microcornea with corneal opacity

Synonyms: CCMCO

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Infancy, Neonatal
Status
active

A rare genetic eye disease characterized by congenital cataract, microcornea, and corneal opacity, resulting in severe visual impairment or blindness. Depending on the genetic background, other developmental ocular defects may also be present.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCongenital cataract microcornea with corneal opacityCCMCO
frSyndrome de cataracte congenitale-microcornée-opacité cornéenne= en
deKongenitale Katarakt mit Mikrokornea und Hornhauttrübung= en
esCatarata congénita con microcórnea y opacidad corneal= en
itCataratta congenita con microcornea e opacità corneale= en
nlCongenitaal cataract met microcornea en cornea-opaciteit= en
ptCatarata congénita com microcornea e opacidade da córnea= en
plWrodzona zaćma małej rogówki ze zmętnieniem rogówki= en
csVrozená mikrokornea a katarakta s korneální opacitou= en
ukВроджена катаракта мікрокорнеа з помутнінням рогівки= en
zh先天性白内障小角膜伴角膜混浊先天性白内障小角膜伴角膜混浊
trKornea opasitesi ile seyreden doğumsal katarakt mikrokornea= en

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM269400Evalidated
ICD-10Q12.0NTBTattributedvalidated
ICD-119B3YNTBTattributedvalidated
MONDO0010015Evalidated
UMLSC5779991Evalidated

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

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
PXDNDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:14966ENSG000001305086051582p25.3peroxidasin21907015[PMID]_24939590[PMID]
ATOH7Disease-causing germline mutation(s) inAssessedHGNC:13907ENSG0000017977460987510q21.3atonal bHLH transcription factor 722068589[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

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