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Related Experiment Videos

Fleck corneal dystrophy.

J J Purcell, J H Krachmer, T A Weingeist

    Archives of Ophthalmology (Chicago, Ill. : 1960)
    |March 1, 1977
    PubMed
    Summary

    Fleck dystrophy, a rare genetic eye disorder, involves abnormal corneal cells storing mucopolysaccharides. This dominant inherited condition affects both the cornea and lens, impacting vision.

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    Area of Science:

    • Ophthalmology
    • Genetics
    • Histopathology

    Background:

    • Fleck dystrophies are rare inherited corneal disorders.
    • Ocular manifestations can include corneal and lens opacities.

    Purpose of the Study:

    • To investigate the histopathological and ultrastructural features of fleck dystrophy.
    • To identify the underlying molecular basis of this inherited corneal condition.

    Main Methods:

    • Clinical examination of affected individuals from four families.
    • Corneal biopsies and light/electron microscopy.
    • Histochemical staining for mucopolysaccharides.

    Main Results:

    • All 14 patients exhibited corneal and lens changes.
    • Abnormal keratocytes with vacuolation were observed.
    • Vacuoles contained mucopolysaccharide-rich material.

    Conclusions:

    • Fleck dystrophy is characterized by abnormal keratocytes storing mucopolysaccharides.
    • This represents the first reported dominantly inherited mucopolysaccharide disorder affecting the eyes.