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Related Experiment Videos

Superficial involvement in lattice corneal dystrophy.

E M Zechner, J O Croxatto, E S Malbran

    Ophthalmologica. Journal International D'Ophtalmologie. International Journal of Ophthalmology. Zeitschrift Fur Augenheilkunde
    |January 1, 1986
    PubMed
    Summary

    Histological study of lattice corneal dystrophy reveals progressive superficial lesions, including amyloid and elastotic deposits, that worsen with age. Oxytalan fibers were observed in affected corneas, suggesting a role in abnormal fibrillogenesis.

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    Area of Science:

    • Ophthalmology
    • Histopathology
    • Corneal Diseases

    Background:

    • Lattice corneal dystrophy is a hereditary condition affecting the cornea.
    • Superficial corneal lesions are a hallmark of this dystrophy.
    • The exact pathogenesis and progression of these lesions require further investigation.

    Purpose of the Study:

    • To histologically evaluate the superficial lesions in corneas affected by lattice dystrophy.
    • To assess the progression of these lesions based on patient age.
    • To investigate the presence and potential role of oxytalan fibers in the disease process.

    Main Methods:

    • Histological examination of 21 corneas with lattice dystrophy.
    • Evaluation of epithelial changes, Bowman's layer integrity, and stromal deposits.

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  • Analysis of oxytalan fiber presence and distribution.

    • Main Results:

    • Observed progressive changes with increasing patient age, including epithelium disarray/atrophy, degenerative pannus, Bowman's layer abnormalities, amyloid, and elastotic deposits.
    • Confirmed the presence of oxytalan fibers within the affected corneas.
    • Identified a correlation between age and the severity of corneal lesions.

    Conclusions:

    • Lattice corneal dystrophy involves progressive superficial corneal changes, influenced by patient age.
    • Oxytalan fibers are present in dystrophic corneas and may be implicated in abnormal fibrillogenesis.
    • Further research is needed to elucidate the precise role of oxytalan fibers in lattice corneal dystrophy pathogenesis.