Rare diseases · Sign or symptom
Abnormal conjunctiva morphology
HP:0000502
What it means
An abnormality of the conjunctiva.
The conjunctiva is a thin, sparsely vascularized transparent membrane that covers and protects the sclera (the bulbar conjunctiva), and forms the inner lining of the eyelids (the tarsal conjunctiva).
Rare diseases that can present with this6
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
Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.
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.