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The phacoemulsification procedure. III. Corneal complications

F M Polack, A Sugar

    Investigative Ophthalmology & Visual Science
    |January 1, 1977
    PubMed
    Summary
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    Phacoemulsification can cause persistent corneal edema, especially in patients with pre-existing Fuch

    Area of Science:

    • Ophthalmology
    • Corneal Surgery
    • Electron Microscopy

    Background:

    • Persistent corneal edema is a known complication following phacoemulsification.
    • Dystrophic corneal conditions may predispose patients to post-surgical complications.

    Purpose of the Study:

    • To investigate the underlying causes of persistent corneal edema after phacoemulsification.
    • To analyze corneal tissue in patients who developed bullous keratopathy post-surgery.

    Main Methods:

    • Case study of five patients undergoing keratoplasty after phacoemulsification.
    • Analysis of corneal specimens using electron microscopy.
    • Clinical examination for bullous keratopathy, scarring, and vascularization.

    Main Results:

    Related Experiment Videos

    • Four cases exhibited Fuch's dystrophy, one had guttata.
    • Endothelial cell damage ranged from small lesions to large abrasions.
    • Severe edema correlated with vitreous adhesion and retrocorneal membrane formation.
    • Corneal scarring was noted in two cases due to surgical trauma (probe overheating or vascularization).

    Conclusions:

    • Phacoemulsification can precipitate decompensation in dystrophic corneas, leading to persistent edema.
    • Surgical trauma may exacerbate underlying corneal conditions.
    • Understanding these complications aids in managing post-phacoemulsification corneal edema.