Usher Syndrome Type 2a C1848634
The most common form of Usher syndrome type 2, caused by mutations in the USH2A gene. Presents with moderate to severe hearing loss and progressive retinal degeneration. Management includes hearing aids and low vision support.
Key facts at a glance
- ICD-10
- Q89.9
- ICD-11
- LA00.0
- Body system
- congenital
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Retinitis pigmentosa
Congenital profound sensorineural hearing loss
(ear)Generalized symptoms
(congenital)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Vestibular areflexia
(nervous system)Photophobia
(eye)Medication Comparisons
Compare medications used to treat Usher Syndrome Type 2a C1848634. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy