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Related Experiment Videos

Myopic correction using alloplastic implants in non-human primates--a preliminary report.

T P Werblin, A W Fryczkowski, R L Peiffer

    Annals of Ophthalmology
    |December 1, 1984
    PubMed
    Summary

    This study explored hydrogel keratophakia for myopia correction in primates. The novel surgical technique demonstrated potential for significant refractive correction with good corneal healing and clarity.

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    Current eye research·2000

    Area of Science:

    • Ophthalmology
    • Biomaterials Science
    • Surgical Innovation

    Background:

    • Current surgical myopia correction methods lack predictability compared to non-surgical options.
    • Hydrogel keratophakia offers a potential avenue for more predictable refractive surgery.
    • The study investigates a novel application of hydrogel lenses for corneal reshaping.

    Purpose of the Study:

    • To evaluate the efficacy and safety of hydrogel lenses for myopic refractive surgery in a non-primate model.
    • To assess the predictability of refractive correction achieved by hydrogel keratophakia.
    • To determine the impact on corneal astigmatism and healing post-implantation.

    Main Methods:

    • Hydrogel lenses were surgically implanted into non-human primate corneas.

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  • The anterior corneal surface was flattened to induce myopic correction.
  • Surgical technique simplicity, corneal healing, clarity, and refractive outcomes were assessed.

    • Main Results:

    • Up to 9 diopters of myopic correction were achieved.
    • Minimal changes in corneal astigmatism were observed.
    • The surgical procedure was technically simple, with rapid corneal healing and excellent clarity.

    Conclusions:

    • Hydrogel keratophakia shows promise as a predictable surgical option for myopia correction.
    • The procedure is technically straightforward and results in good corneal health.
    • Further extensive primate studies are required to validate accuracy before human clinical trials.