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Related Experiment Videos

Mosaic pattern changes in human corneal endothelium with age.

T Suda

    Japanese Journal of Ophthalmology
    |January 1, 1984
    PubMed
    Summary

    The aging human corneal endothelium loses its hexagonal cell shape, with cell size and variation increasing over time. This study tracked these age-related changes in corneal endothelial cells.

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    Area of Science:

    • Ophthalmology
    • Cell Biology
    • Aging Research

    Background:

    • The corneal endothelium maintains ocular clarity and function through its unique cellular structure.
    • Age-related changes in the corneal endothelium can impact visual health.

    Purpose of the Study:

    • To quantitatively assess age-related alterations in human corneal endothelial cell morphology.
    • To determine the correlation between aging and changes in endothelial cell shape and size.

    Main Methods:

    • Specular microscopy was used to image the central corneal endothelium of 73 individuals.
    • Computerized digitization analyzed cell shape and size from specular microscopy images.

    Main Results:

    • Younger individuals (<30 years) exhibited a predominantly hexagonal corneal endothelium (70%).
    • With increasing age, the proportion of hexagonal cells decreased significantly (58% in >70 years).
    • A positive correlation was observed between age and the proportion of nonhexagonal cells, alongside increased mean cell size and size variation.

    Conclusions:

    • The hexagonal pattern of the corneal endothelium is progressively lost with age.
    • Aging is associated with increased corneal endothelial cell size variability and a shift towards nonhexagonal cell shapes.

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