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Lattice corneal dystrophy type 3A is rare condition that affects the cornea. It is characterized primarily by protein clumps in the clear, outer covering of the eye which cloud the cornea and impair vision. Affected people also experience recurrent corneal erosion (separation of certain layers of the cornea), which is associated with severe pain and sensitivity to bright light. Lattice corneal dystrophy type 3A is caused by changes (mutations) in the TGFBI gene and is inherited in an autosomal dominant manner. The condition is usually treated surgically.
Features include always present findings: Lattice corneal dystrophy. 4 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Eyes | 3 | Visual impairment, Corneal erosion, Lattice corneal dystrophy |
TGFBI function has not been fully characterized.
Corneal dystrophy, lattice type 3A is associated with mutations in the TGFBI gene on chromosome 5.
Genetic testing for TGFBI is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 1 always present feature.
No clinical trials have been registered for corneal dystrophy, lattice type 3A.
7 publications have been identified in PubMed for corneal dystrophy, lattice type 3A. Research spans Basic Science / Preclinical (33%), Epidemiology / Natural History (33%), and Review / Meta-Analysis (17%).
Berger T (2026). [PMID: 41396443](https://pubmed.ncbi.nlm.nih.gov/41396443/). *Graefes Arch Clin Exp Ophthalmol*. [Epidemiology / Natural History]
Yu Y (2025). [PMID: 40900077](https://pubmed.ncbi.nlm.nih.gov/40900077/). *Invest Ophthalmol Vis Sci*. [Basic Science / Preclinical]
Maimaitiming R (2025). [PMID: 40315281](https://pubmed.ncbi.nlm.nih.gov/40315281/). *Cornea*. [Review / Meta-Analysis]
Matsumoto A (2025). [PMID: 40296953](https://pubmed.ncbi.nlm.nih.gov/40296953/). *Cureus*. [Case Report / Case Series]
Okudan S (2025). [PMID: 39857066](https://pubmed.ncbi.nlm.nih.gov/39857066/). *Diagnostics (Basel)*. [Basic Science / Preclinical]
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 3:02 PM UTC
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