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Features include always present findings: Inner ear hearing loss (sensorineural hearing impairment), High hypermetropia, and Reduced visual acuity; and common findings: Retinal pigment epithelial mottling, Nystagmus, and Photophobia. 8 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Eyes | 3 | Retinal pigment epithelial mottling, Nystagmus, Retinal degeneration |
TUBB4B function has not been fully characterized.
Leber congenital amaurosis with early-onset deafness is associated with mutations in the TUBB4B gene on chromosome 9.
Genetic testing for TUBB4B is available. Testing is considered confirmatory for diagnosis.
Biomarker and diagnostic research for Leber congenital amaurosis with early-onset deafness has been reported in the published literature.
Phenotype severity distribution: 3 always present features, 3 common features.
No clinical trials have been registered for Leber congenital amaurosis with early-onset deafness.
5 publications have been identified in PubMed for Leber congenital amaurosis with early-onset deafness. Research spans Case Report / Case Series (40%), Basic Science / Preclinical (40%), and Diagnostic / Biomarker (20%).
Gregory-Evans CY (2025). [PMID: 40606475](https://pubmed.ncbi.nlm.nih.gov/40606475/). *Mol Vis*. [Case Report / Case Series]
Hunt C (2025). [PMID: 40923693](https://pubmed.ncbi.nlm.nih.gov/40923693/). *Invest Ophthalmol Vis Sci*. [Basic Science / Preclinical]
Cao LY (2025). [PMID: 41057290](https://pubmed.ncbi.nlm.nih.gov/41057290/). *Ophthalmic Genet*. [Basic Science / Preclinical]
Kulyamzin S (2025). [PMID: 40725402](https://pubmed.ncbi.nlm.nih.gov/40725402/). *Genes (Basel)*. [Diagnostic / Biomarker]
Scarpato M (2025). [PMID: 39876836](https://pubmed.ncbi.nlm.nih.gov/39876836/). *Mol Genet Genomic Med*. [Case Report / Case Series]
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 5:07 PM UTC
Online Mendelian Inheritance in Man
Common questions about Leber congenital amaurosis with early-onset deafness
Muscles |
1 |
Peripapillary atrophy |
Ears | 1 | Inner ear hearing loss (sensorineural hearing impairment) |
Age of onset: adolescence.