Rare diseases · Sign or symptom

Visual agnosia

HP:0030222

What it means

The condition is known as visual agnosia, which refers to the inability to recognize objects that are visually presented, even though the individual may have normal visual field, acuity, color vision, brightness discrimination, language, and memory.

Rare diseases that can present with this2

Very common80–99%

1

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

Visual agnosia

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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.