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Corneal endothelial damage associated with phacoemulsification

P S Binder, H Sternberg, M G Wickman

    American Journal of Ophthalmology
    |July 1, 1976
    PubMed
    Summary
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    Phacoemulsification can damage the feline corneal endothelium. Both irrigation alone and mechanical rubbing during cataract surgery cause significant endothelial cell loss in cats.

    Area of Science:

    • Ophthalmology
    • Veterinary Surgery
    • Corneal Science

    Background:

    • Cataract surgery is common in veterinary ophthalmology.
    • Phacoemulsification is a widely used technique for cataract removal.
    • Potential complications, such as corneal endothelial damage, require careful evaluation.

    Purpose of the Study:

    • To assess the impact of phacoemulsification techniques on the feline corneal endothelium.
    • To compare the effects of standard Kelman phacoemulsification, extracapsular cataract extraction, and irrigation/aspiration on endothelial cell viability in cats.

    Main Methods:

    • Twenty-one cats underwent different cataract extraction procedures in their eyes.
    • Kelman phacoemulsification was performed on right eyes.
    • Left eyes underwent planned extracapsular cataract extraction or irrigation/aspiration, with corneal endothelium evaluated postoperatively using viability staining and scanning electron microscopy.

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    Main Results:

    • The irrigation procedure alone was found to be detrimental to the feline corneal endothelium.
    • Direct mechanical contact with nuclear material also caused significant endothelial cell damage.
    • Combining these factors in routine phacoemulsification led to additive endothelial damage.

    Conclusions:

    • Both irrigation and mechanical manipulation during cataract surgery can harm the feline corneal endothelium.
    • These findings highlight the importance of careful technique to minimize endothelial cell loss in veterinary cataract surgery.