retinal cone dystrophy 3B

Summary
Synonym
  • cone dystrophy with supernormal rod responses
Definition
A cone dystrophy that is characterized by onset in the first or second decade of life of very marked photophobia, myopia, reduced color vision along the red-green axis with relatively preserved tritan discrimination, and central scotomata with peripheral widespread sensitivity loss predominating in the superior visual field and that has_material_basis_in homozygous or compound heterozygous mutation in the KCNV2 gene on chromosome 9p24.
Super Class
autosomal recessive disease cone dystrophy
Disease Ontology
DOID:0081022
Mondo Disease Ontology
MeSH
ORDO
GARD
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
169522 KCNV2 potassium voltage-gated channel modifier subfamily V member 2
Related Glycoprotein

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: April 6, 2026