Rare diseases · Sign or symptom

Color vision defect

Abnormal color vision

HP:0000551

What it means

An anomaly in the ability to discriminate between or recognize colors.

Rare diseases that can present with this27

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Abnormal colour vision · Abnormality of color vision · Abnormality of colour vision · Color vision defect, severe · Color vision defects · Colour vision defect · Colour vision defect, severe · Colour vision defects

Color vision defect

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This 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.