Traits

Traits linked to TACSTD2

tumor associated calcium signal transducer 2

The Human Phenotype Ontology links 13 traits to TACSTD2, by body system: features seen in people with one of the gene's rare conditions.

Abnormality of the eye

Trait	How often it is seen
Blurred vision	Very often (80–99%)
Extreme sensitivity of the eyes to light	Very often (80–99%)
Corneal foreign body sensation	Often (30–79%)
Decreased clarity of vision	Often (30–79%)
Eye pain	Often (30–79%)
Increased tears	Often (30–79%)
New blood vessel formation in cornea	Often (30–79%)
Subepithelial corneal opacities	Often (30–79%)
Central opacification of the cornea	Sometimes (5–29%)
Corneal dystrophy	Not recorded
Visual impairment	Not recorded

Abnormality of head or neck

Trait	How often it is seen
Conjunctival amyloidosis	Often (30–79%)
Eyelid spasm	Often (30–79%)

How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.

Where this comes from

The Human Phenotype Ontology, release 2026-09-01: the traits linked to TACSTD2 and how often each is seen. Find out more at hpo.jax.org.

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