raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1106

Microphthalmia with limb anomalies

Synonyms: Anophthalmia-syndactyly syndrome · OAS · Ophthalmoacromelic syndrome · Waardenburg anophthalmia syndrome

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

A rare developmental disorder characterized by bilateral microphthalmia or anophthalmia, synostosis, syndactyly, oligodactyly and/or polydactyly.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMicrophthalmia with limb anomaliesAnophthalmia-syndactyly syndrome · OAS · Ophthalmoacromelic syndrome · Waardenburg anophthalmia syndrome
frMicrophtalmie avec anomalie des membresOAS · Syndrome d'anophtalmie de Waardenburg · Syndrome d'anophtalmie-syndactylie · Syndrome ophtalmo-acromélique
deMikrophthalmie mit GliedmaßenanomalienAnophthalmie mit Anomalien der Gliedmaßen · Anophthalmie-Syndaktylie-Syndrom · OAS · Opthalmo-akromeles Syndrom · Waardenburg-Anophthalmie-Syndrom
esMicroftalmia con anomalías de las extremidadesOAS · Síndrome anoftalmia-sindactilia · Síndrome de anoftalmia de Waardenburg · Síndrome oftalmo-acromélico
itMicroftalmia con anomalie degli artiOAS · Sindrome anoftalmia-sindattilia · Sindrome da anoftalmia di Waardenburg · Sindrome oftalmo-acromelica
nlMicroftalmie met ledemaatanomalieënAnoftalmie - syndactylie-syndroom · OAS · Oftalmoacromelisch syndroom · Waardenburg anoftalmiesyndroom
ptMicroftalmia com anomalias dos membrosSíndrome oftalmo-acromélico
plMałoocze i wady kończynAnoftalmia - syndaktylia · OAS · Zespół anoftalmii Waardenburga · Zespół oczno-kończynowy
csMikroftalmie s anomáliemi končetinSyndrom zahrnující anoftalmii a syndaktylii · OAS · Oftalmoakromelický syndrom · Syndrom Waardenburgovy anoftalmie
ukМікрофтальмія з аномаліями кінцівокСиндром анофтальмії-синдактилії · OAS · Офтальмоакромелічний синдром · Синдром анофтальмії Ваарденбурга
zh小眼畸形伴肢体异常Waardenburg无眼综合征
trEkstremite anomalileri ile seyreden mikroftalmiOAS · Oftalmokromelik sendrom · Anoftalmi-sindaktili sendromu · Waardenburg anoftalmi sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM206920Evalidated
ICD-10Q87.2NTBTattributedvalidated
ICD-11LD21.0NTBTindexvalidated
MONDO0008800Evalidated
MeSHC537769Evalidated
UMLSC0599973Evalidated
GARD722Evalidated

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 (3):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SMOC1Disease-causing germline mutation(s) inAssessedHGNC:20318ENSG0000019873260848814q24.1SPARC related modular calcium binding 1
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families35 familiesWorldwideFamily(ies)Validated21750680[PMID]_21194680[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

57 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000534Abnormal eyebrow morphology
HP:0005916Abnormal metacarpal morphology
HP:0002814Abnormality of the lower limb
HP:0002817Abnormality of the upper limb
HP:0000581Blepharophimosis
HP:0006101Finger syndactyly
HP:0002007Frontal bossing
HP:0000327Hypoplasia of the maxilla
HP:0000568Microphthalmia
HP:0011220Prominent forehead
HP:0001852Sandal gap
HP:0005048Synostosis of carpal bones
HP:0100240Synostosis of joints
HP:0001770Toe syndactyly
HP:0011478True anophthalmia
Frequent (79-30%)
HP:0003312Abnormal form of the vertebral bodies
HP:0001172Abnormal thumb morphology
HP:0007598Bilateral single transverse palmar creases
HP:0001215Camptodactyly of 2nd-5th fingers
HP:0000204Cleft upper lip
HP:0004209Clinodactyly of the 5th finger
HP:0005280Depressed nasal bridge
HP:0001508Failure to thrive
HP:0003038Fibular hypoplasia
HP:0009380Finger aplasia
HP:0001849Foot oligodactyly
HP:0002342Intellectual disability, moderate
HP:0010864Intellectual disability, severe
HP:0009748Large earlobe
HP:0000648Optic atrophy
HP:0001162Postaxial hand polydactyly
HP:0000358Posteriorly rotated ears
HP:0003026Short long bone
HP:0004322Short stature
HP:0005736Short tibia
HP:0008368Tarsal synostosis
HP:0002982Tibial bowing
Occasional (29-5%)
HP:0002139Arrhinencephaly
HP:0006487Bowing of the long bones
HP:0011304Broad thumb
HP:0000175Cleft palate
HP:0000028Cryptorchidism
HP:0001522Death in infancy
HP:0003042Elbow dislocation
HP:0000218High palate
HP:0002827Hip dislocation
HP:0000085Horseshoe kidney
HP:0000238Hydrocephalus
HP:0010650Hypoplasia of the premaxilla
HP:0001382Joint hypermobility
HP:0000343Long philtrum
HP:0001572Macrodontia
HP:0000347Micrognathia
HP:0001830Postaxial foot polydactyly
HP:0001762Talipes equinovarus
HP:0000233Thin vermilion border
HP:0005293Venous insufficiency

Run the differential on the 12 obligate / very frequent terms

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Sources for this card