Rare diseases · Sign or symptom

Blepharophimosis

Narrow opening between the eyelids

HP:0000581

What it means

A fixed reduction in the vertical distance between the upper and lower eyelids with short palpebral fissures.

When the palpebral fissures are severely shortened, they cannot be widely separated, actively or passively. Blepharophimosis is an acknowledged bundled term (short vertical and horizontal distance). When palpebral fissures are severely shortened, they cannot be widely separated, actively or passively. Ptosis is the term to be used when the reduction in eyelid opening is not fixed but can be increased actively or passively. Blepharophimosis is often associated with Epicanthus inversus.

Rare diseases that can present with this88

Very common80–99%

31

Common30–79%

38

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, and Orphanet separately records 1 disease where this sign is specifically absent. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Decreased width of palpebral fissure

Blepharophimosis

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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.