raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2542

Isolated microphthalmia-anophthalmia-coloboma

Synonyms: Isolated MAC

Type
Clinical group
Group
Group of disorders
Inheritance
Autosomal dominant, Autosomal recessive, X-linked recessive
Age of onset
Antenatal, Neonatal
Status
active

A non-syndromic group of structural developmental eye defects characterized by the variable combination of microphthalmia, ocular coloboma, and anophthalmia, either unilaterally or bilaterally, with no other associated ocular conditions in the affected/contralateral eye, and no systemic anomalies.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIsolated microphthalmia-anophthalmia-colobomaIsolated MAC
frMicrophtalmie-anophtalmie-colobome isoléeMAC isolée
deMikrophthalmie-Anophthalmie-Kolobom, isolierte Form
esMicroftalmia-anoftalmia-coloboma aisladosMAC aislados
itMicroftalmia-anoftalmia-coloboma isoltatiMAC isolata
nlGeïsoleerde microftalmie - anoftalmie - coloboomGeïsoleerde MAC
ptMicroftalmia isolada-anoftalmia-colobomaSíndrome de anoftalmia isolada-microftalmia
plIzolowana anoftalmia - mikroftalmiaAnoftalmia prymitywna · Anooftalmia kliniczna · Czysta izolowana mikroftalmia
csSyndrom zahrnující izolovanou anoftalmii a mikroftalmiiMAC spektrum · Spektrum zahrnující mikroftalmii, anoftalmii a kolobom
ukІзольована мікрофтальмія-анофтальмія-колобомаСиндром ізольованої анофтальмії-мікрофтальмії
zh孤立型小眼畸形-无眼畸形-眼底缺损孤立型无眼畸形-小眼畸形综合征
trİzole mikroftalmi-anoftalmi-kolobomİzole anoftalmi-mikroftalmi sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM156850BTNTvalidated
OMIM251600Evalidated
OMIM610093BTNTvalidated
OMIM611038BTNTvalidated
OMIM613094BTNTvalidated
OMIM613517BTNTvalidated
OMIM613704BTNTvalidated
OMIM615113BTNTvalidated
MONDO16764Evalidated
UMLSC5679828Evalidated
GARD12085Evalidated

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):

Children (2):

Codes that Orphanet moved or referred to this one:

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

5 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 100 0002.18 / 100 000FranceValue and classValidated8921488[PMID]
Prevalence at birth1-9 / 100 0003.33 / 100 000SwedenValue and classValidated8921488[PMID]
Prevalence at birth1-9 / 100 0003.7 / 100 000United StatesValue and classValidated8921488[PMID]
Prevalence at birth1-9 / 100 000—EuropeClass onlyValidatedEUROCAT European surveillance of congenital anomalies 2000-2016[OTHER]_[EXPERT]
Point prevalenceUnknown—EuropeClass onlyValidated[EXPERT]

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

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HPO phenotypes

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

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Sources for this card