Rare diseases · Sign or symptom

Retinitis

HP:0032118

What it means

Inflammation of the retina of the eye.

Note that the term Chorioretinitis suggests that the origin of the process is predominantly in the choroid while Retinitis suggests that the process is mainly in the retina.

Rare diseases that can present with this5

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

Retinitis

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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.