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Oligocone trichromacy is a rare non-progressive form of cone photoreceptor dysfunction characterized by reduced visual acuity, normal retinal appearance, absent or reduced cone responses on electroretinography but normal color vision.
Biomarker and diagnostic research for oligocone trichromacy has been reported in the published literature.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for oligocone trichromacy.
5 publications have been identified in PubMed for oligocone trichromacy. Research spans Review / Meta-Analysis (60%) and Diagnostic / Biomarker (40%).
Wu V (2025). [PMID: 41104957](https://pubmed.ncbi.nlm.nih.gov/41104957/). *Investigative ophthalmology & visual science*. [Diagnostic / Biomarker]
Parameswarappa DC (2024). [PMID: 39795556](https://pubmed.ncbi.nlm.nih.gov/39795556/). *Diagnostics (Basel, Switzerland)*. [Review / Meta-Analysis]
Brotherton C (2024). [PMID: 38927662](https://pubmed.ncbi.nlm.nih.gov/38927662/). *Genes*. [Review / Meta-Analysis]
Pedersen HR (2024). [PMID: 38984108](https://pubmed.ncbi.nlm.nih.gov/38984108/). *Frontiers in ophthalmology*. [Diagnostic / Biomarker]
Georgiou M (2024). [PMID: 38278208](https://pubmed.ncbi.nlm.nih.gov/38278208/). *Progress in retinal and eye research*. [Review / Meta-Analysis]
Data assembled from 3 of 12 sources · Last updated Sep 19, 2026, 6:43 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center