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Related Experiment Videos

[Method of lensectomy in high myopia].

A V Svirin, D O Kolesnikov, Abdul' Karim Khasan

    Vestnik Oftalmologii
    |March 1, 1991
    PubMed
    Summary

    This study presents a novel three-stage surgical method using YAG laser fragmentation for lens removal in high myopia patients. The technique significantly reduces surgical time and improves visual acuity post-operation.

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    Area of Science:

    • Ophthalmology
    • Surgical Innovation
    • Medical Devices

    Background:

    • High myopia presents challenges for lens extraction due to dense nuclei.
    • Existing lensectomy methods can be time-consuming for specific patient groups.
    • Advanced techniques are needed to improve surgical efficiency and outcomes.

    Purpose of the Study:

    • To introduce and evaluate a novel three-stage surgical method for lens removal in high myopia patients.
    • To assess the efficacy and safety of YAG laser fragmentation prior to lensectomy.
    • To determine the impact of the new method on surgical duration and visual acuity.

    Main Methods:

    • A three-stage approach involving preliminary YAG laser fragmentation of lenticular fibrils.
    • Intracapsular YAG laser fragmentation performed 2-4 days pre-surgery.
    • YAG laser anterior capsulotomy immediately before surgery, followed by irrigation and aspiration of the lenticular mass through small corneal incisions.

    Main Results:

    • The method was applied to 23 patients (44 eyes) aged 40-55 with high myopia (16.0-23.0 diopters).
    • Lenticular mass aspiration time was reduced by 50% compared to conventional lensectomy.
    • No intraoperative or postoperative complications were observed.
    • Post-surgery, uncorrected vision improved 13-fold, and corrected vision improved 2-fold.

    Conclusions:

    • The described YAG laser-assisted lensectomy method is safe and effective for transparent lens removal in high myopia patients.
    • This technique significantly enhances surgical efficiency by reducing procedure time.
    • The method leads to substantial improvements in visual acuity following surgery.

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