raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1872

Cone rod dystrophy

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant, Autosomal recessive, X-linked recessive
Age of onset
Adolescent, Adult, Childhood
Status
active

A rare genetic isolated inherited retinal disorder characterized by primary cone degeneration with significant secondary rod involvement, with a variable fundus appearance. Typical presentation includes decreased visual acuity, central scotoma, photophobia, color vision alteration, followed by night blindness and loss of peripheral visual field.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCone rod dystrophy
frDystrophie des cônes et des bâtonnetsDystrophie cone-rod · Dystrophie mixte cônes-bâtonnets · Dystrophie à cônes prédominants
deZapfen-Stäbchen-Dystrophie
esDistrofia de conos y bastones
itDistrofia dei coni e dei bastoncelli
nlKegel-staafdystrofie
ptDistrofia dos cones e bastonetes
plDystrofia czopków i pręcików
csDystrofie čípků a tyčinek
ukДистрофія конусних стрижнів
zh遗传性视锥视杆细胞营养不良
trKoni çubuk distrofisi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM120970Evalidated
OMIM300476BTNTvalidated
OMIM300834BTNTvalidated
OMIM303700NTBTvalidated
OMIM304020BTNTvalidated
OMIM600624BTNTvalidated
OMIM600977BTNTvalidated
OMIM601777BTNTvalidated
OMIM602093NTBTvalidated
OMIM603649BTNTvalidated
OMIM604116BTNTvalidated
OMIM604393NTBTvalidated
OMIM605549BTNTvalidated
OMIM608194BTNTvalidated
OMIM610283BTNTvalidated
OMIM610381BTNTvalidated
OMIM610478BTNTvalidated
OMIM612657BTNTvalidated
OMIM612775BTNTvalidated
OMIM613660BTNTvalidated
OMIM614500BTNTvalidated
OMIM615163BTNTvalidated
OMIM615374BTNTvalidated
OMIM615860BTNTvalidated
OMIM615973BTNTvalidated
OMIM616170BTNTvalidated
OMIM616502BTNTvalidated
OMIM618555BTNTvalidated
OMIM619531BTNTvalidated
OMIM620342BTNTvalidated
OMIM621558BTNTvalidated
ICD-10H35.5NTBTattributedvalidated
ICD-119B70NTBTindexvalidated
MONDO0015993Evalidated
MeSHD000071700Evalidated
UMLSC4085590Evalidated
GARD10790Evalidated
MedDRA10085521Evalidated

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

33 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
AIPL1Candidate gene tested inNot yet assessedHGNC:359ENSG0000012922160439217p13.2AIP like 1 HSP90 co-chaperone10873396[PMID]
DRAM2Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:28769ENSG000001561716133601p13.3DNA damage regulated autophagy modulator 225983245[PMID]
POC1BDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:30836ENSG0000013932361478412q21.33POC1 centriolar protein B25018096[PMID]
TLCD3BDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:25295ENSG0000014992661517516p11.2TLC domain containing 3B33077892[PMID]
TTLL5Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:19963ENSG0000011968561226814q24.3tubulin tyrosine ligase like 524791901[PMID]
ABCA4Disease-causing germline mutation(s) inAssessedHGNC:34ENSG000001986916016911p22.1ATP binding cassette subfamily A member 410958761[PMID]_23776498[PMID]_26992781[PMID]
ADAM9Disease-causing germline mutation(s) inAssessedHGNC:216ENSG000001686156027138p11.22ADAM metallopeptidase domain 919409519[PMID]
ATF6Disease-causing germline mutation(s) inAssessedHGNC:791ENSG000001182176055371q23.3activating transcription factor 628479318[PMID]
CACNA1FDisease-causing germline mutation(s) inAssessedHGNC:1393ENSG00000102001300110Xp11.23calcium voltage-gated channel subunit alpha1 F16505158[PMID]_26992781[PMID]
CACNA2D4Disease-causing germline mutation(s) inAssessedHGNC:20202ENSG0000015106260817112p13.33calcium voltage-gated channel auxiliary subunit alpha2delta 417033974[PMID]
CDHR1Disease-causing germline mutation(s) inAssessedHGNC:14550ENSG0000014860060950210q23.1cadherin related family member 120805371[PMID]
CFAP410Disease-causing germline mutation(s) inAssessedHGNC:1260ENSG0000016022660319121q22.3cilia and flagella associated protein 41023105016[PMID]
CFAP418Disease-causing germline mutation(s) inAssessedHGNC:27232ENSG000001561726144778q22.1cilia and flagella associated protein 41822177090[PMID]
CNGA3Disease-causing germline mutation(s) inAssessedHGNC:2150ENSG000001441916000532q11.2cyclic nucleotide gated channel subunit alpha 325052312[PMID]
CRXDisease-causing germline mutation(s) inAssessedHGNC:2383ENSG0000010539260222519q13.33cone-rod homeobox26682157[PMID]_26992781[PMID]
FSD1LDisease-causing germline mutation(s) inAssessedHGNC:137539q31.2fibronectin type III and SPRY domain containing 1 like41742423[PMID]
GUCA1ADisease-causing germline mutation(s) inAssessedHGNC:4678ENSG000000485456003646p21.1guanylate cyclase activator 1A23428504[PMID]_26992781[PMID]
GUCY2DDisease-causing germline mutation(s) inAssessedHGNC:4689ENSG0000013251860017917p13.1guanylate cyclase 2D, retinal20517349[PMID]_26992781[PMID]
MFSD8Disease-causing germline mutation(s) inAssessedHGNC:28486ENSG000001640736111244q28.2major facilitator superfamily domain containing 825227500[PMID]
NMNAT1Disease-causing germline mutation(s) inAssessedHGNC:17877ENSG000001736146087001p36.22nicotinamide nucleotide adenylyltransferase 128369829[PMID]
OPN1LWDisease-causing germline mutation(s) inAssessedHGNC:9936ENSG00000102076300822Xq28opsin 1, long wave sensitive20579627[PMID]
OPN1MWDisease-causing germline mutation(s) inAssessedHGNC:4206ENSG00000268221300821Xq28opsin 1, medium wave sensitive20579627[PMID]
PITPNM3Disease-causing germline mutation(s) inAssessedHGNC:21043ENSG0000009162260892117p13.2-p13.1PITPNM family member 317377520[PMID]
PROM1Disease-causing germline mutation(s) inAssessedHGNC:9454ENSG000000070626043654p15.32prominin 119718270[PMID]
PRPH2Disease-causing germline mutation(s) inAssessedHGNC:9942ENSG000001126191796056p21.1peripherin 29279751[PMID]_23563732[PMID]
RAB28Disease-causing germline mutation(s) inAssessedHGNC:9768ENSG000001578696129944p15.33RAB28, member RAS oncogene family23746546[PMID]
RAX2Disease-causing germline mutation(s) inAssessedHGNC:18286ENSG0000017397661036219p13.3retina and anterior neural fold homeobox 215028672[PMID]_25789692[PMID]
RIMS1Disease-causing germline mutation(s) inAssessedHGNC:17282ENSG000000798416066296q13regulating synaptic membrane exocytosis 112659814[PMID]
RPGRDisease-causing germline mutation(s) inAssessedHGNC:10295ENSG00000156313312610Xp11.4retinitis pigmentosa GTPase regulator11857109[PMID]_23776498[PMID]
RPGRIP1Disease-causing germline mutation(s) inAssessedHGNC:13436ENSG0000009220060544614q11.2RPGR interacting protein 112920076[PMID]_26992781[PMID]
SEMA4ADisease-causing germline mutation(s) inAssessedHGNC:10729ENSG000001961896072921q22semaphorin 4A16199541[PMID]
UBAP1LDisease-causing germline mutation(s) inAssessedHGNC:40028ENSG0000024692215q22.31ubiquitin associated protein 1 like38420906[PMID]
UNC119Disease-causing germline mutation(s) inAssessedHGNC:12565ENSG0000010910360401117q11.2unc-119 lipid binding chaperone11006213[PMID]_26992781[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 100 0002.5 / 100 000EuropeValue and classNot 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

15 annotations · validated 2024-06-24
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0007703Abnormality of retinal pigmentation
HP:0000662Nyctalopia
HP:0000613Photophobia
Frequent (79-30%)
HP:0030466Abnormal full-field electroretinogram
HP:0007843Attenuation of retinal blood vessels
HP:0007737Bone spicule pigmentation of the retina
HP:0000603Central scotoma
HP:0000551Color vision defect
HP:0007641Dyschromatopsia
HP:0000543Optic disc pallor
HP:0000529Progressive visual loss
HP:0001105Retinal atrophy
Occasional (29-5%)
HP:0012508Metamorphopsia
HP:0000639Nystagmus
HP:0000505Visual impairment

Run the differential on the 3 obligate / very frequent terms

Annotation source: 38028590[PMID]_38091967[PMID]_17270046[PMID]

7

Sources for this card