oligocone trichromacy
ORPHA: 75378
Overview
Oligocone trichromacy is a rare non-progressive form of cone photoreceptor dysfunction characterised by reduced visual acuity, normal retinal appearance, absent or reduced cone responses on electroretinography but normal colour vision
Available Treatments (0)
No treatments linked yet
Clinical trials or compassionate use may be available — consult a specialist.
Clinical Presentation
Signs and symptoms associated with oligocone trichromacy, sourced from HPO and Orphanet clinical annotations.
Abnormal electroretinogramPhotophobia
Classification & Codes
Orphanet Code
ORPHA:75378oligocone trichromacy
| Orphanet | ORPHA:75378 |
| Treatments | 0 drug(s) |
| Symptoms on record | 2 signs |
| Status | published |
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO