Conditions / Genetic

achromatopsia 2

info ยท Genetic

An achromatopsia that has_material_basis_in homozygous or compound heterozygous mutation in the CNGA3 gene on chromosome 2q11.

Signs and symptoms

  • Undetectable light-adapted electroretinogram
  • Myopic astigmatism
  • Hemeralopia
  • Nystagmus
  • Photophobia
  • Reduced visual acuity
  • Achromatopsia
  • Retinal thinning on OCT
  • Peripapillary atrophy
  • Dull foveal reflex

Also known as: ACHM2; RMCH2; rod monochromacy 2; rod monochromatism 2