Rare diseases · Sign or symptom
Anomalous trichromacy
HP:0011519
What it means
Individuals with anomalous trichromacy possess three types of cones, but one of the three types of cones has an abnormal spectral sensitivity compared to normal cones.
Because the spectral sensitivities of individuals with anomalous trichromacy are shifted compared to normal, they mix the primary colors in different proportions.
Part of the broader category
Anomalous trichromacy
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Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.