Achromatopsia 5

**Semantic type:** Disease or Syndrome

**Definition:** An autosomal recessive condition caused by mutation(s) in the PDE6C gene, encoding cone cGMP-specific 3',5'-cyclic phosphodiesterase subunit alpha. It is characterized by low visual acuity and severe color vision defects. This condition is closely related to cone dystrophy 4, which is also caused by mutation(s) in the PDE6C gene.

**Synonyms:** - ACHM5