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[Sclerocornea. Ultrastructural and morphologic study].

G Petroutsos, A Patey, M Savoldelli

    Journal Francais D'Ophtalmologie
    |January 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

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    Congenital diffuse sclerocornea in an infant involves abnormal corneal collagen. Histology revealed significant differences in stromal structure compared to normal corneas, impacting collagen fiber organization.

    Area of Science:

    • Ophthalmology
    • Histopathology
    • Corneal Science

    Background:

    • Congenital diffuse sclerocornea is a rare bilateral condition affecting infants.
    • Sclerocornea presents as an opaque, dense cornea due to scleralization.
    • Surgical intervention like penetrating keratoplasty may be necessary.

    Observation:

    • Histologic examination of a sclerocornea graft revealed epithelial vacuoles.
    • Bowman's membrane was absent in the sclerocornea sample.
    • Significant disorganization of collagen fibers and lamellae was noted in the corneal stroma.

    Findings:

    • Electron microscopy showed an extremely thin Descemet's membrane.
    • Automated image analysis revealed statistically significant differences in collagenous fibril diameter.

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  • Interfibrillar distances in sclerocornea stroma differed significantly from normal cornea (p < 0.001).

    • Implications:

    • Understanding the stromal microarchitecture is crucial for managing sclerocornea.
    • These findings contribute to the histopathology of congenital corneal diseases.
    • Further research may elucidate the developmental mechanisms underlying sclerocornea.