raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:98971

Posterior amorphous corneal dystrophy

Synonyms: PACD · Posterior amorphous stromal dystrophy

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Infancy, Neonatal
Status
active

Posterior amorphous corneal dystrophy (PACD) is a very rare form of stromal corneal dystrophy characterized by irregular amorphous sheet-like opacities in the posterior corneal stroma and in Descemet membrane and mildly impaired vision.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPosterior amorphous corneal dystrophyPACD · Posterior amorphous stromal dystrophy
frDystrophie cornéenne amorphe postérieureDystrophie stromale amorphe postérieure · PACD
deHornhautdystrophie, amorphe posteriorePACD · Posteriore amorphe Stromadystrophie
esDistrofia corneal posterior amorfa
itDistrofia corneale amorfa posterioreDistrofia stromale amorfa posteriore · PACD
nlPosterieure amorfe corneadystrofiePACD · Posterieure amorfe hoornvliesdystrofie · Posterieure amorfe stromale dystrofie
ptDistrofia corneana, posterior amorfa
plAmorficzna tylna dystrofia rogówkiAmorficzna tylna dystrofia istoty właściwej · PACD
csZadní amorfní dystrofie rohovkyPACD · Zadní amorfní stromální dystrofie rohovky
ukЗадня аморфна дистрофія рогівкиPACD · Задня аморфна стромальна дистрофія
zh后部多形性角膜营养不良后部多形性角膜基质营养不良
trPosterior amorf korneal distrofiPACD · Posterior amorf stromal distrofi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM612868Evalidated
ICD-10H18.5NTBTattributedvalidated
ICD-119A70.YNTBTindexvalidated
MONDO0013027Evalidated
MeSHC567546Evalidated
UMLSC2748502Evalidated

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 (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families11 familiesWorldwideFamily(ies)Validated301356[PMID]_2314832[PMID]_1582220[PMID]_7573302[PMID]_8600425[PMID]_17273695[PMID]_17300585[PMID]_11862100[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

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