Oligocone trichromacy
ORPHA:75378· ICD-10 H35.8
Definition
A rare non-progressive form of cone photoreceptor dysfunction syndrome characterized by reduced visual acuity, normal fundus appearance and absent or reduced cone responses on electroretinography. In contrast to all other forms of cone dysfunction color vision is normal.
- Prevalence
- <1 / 1 000 000
- Inheritance
- Autosomal dominant, Autosomal recessive
- Age of onset
- Adolescent, Adult, Childhood, Infancy