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Related Experiment Videos

Nucleofractis phacoemulsification through a small pupil.

H V Gimbel1

  • 1Gimbel Eye Centre, Calgary.

Canadian Journal of Ophthalmology. Journal Canadien D'Ophtalmologie
|April 1, 1992
PubMed
Summary
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Small pupils increase cataract surgery risks. This study found phacoemulsification with in-the-bag IOL implantation safe for small pupils, with nucleofractis technique minimizing complications.

Area of Science:

  • Ophthalmology
  • Surgical Innovation

Background:

  • Small pupils (≤4 mm) pose risks during cataract extraction.
  • Phacoemulsification with in-the-bag intraocular lens (IOL) implantation is a common technique.

Purpose of the Study:

  • Determine the incidence of small pupils in cataract surgery.
  • Evaluate the surgical risk and outcomes of phacoemulsification with in-the-bag IOL implantation in eyes with small pupils.

Main Methods:

  • Prospective study of 1880 consecutive cataract procedures by a single surgeon.
  • Analysis of preoperative pupil size (≤4 mm) and intraoperative complications.
  • Correlation of iris-enlarging surgery need with pupil size.

Main Results:

  • Small pupils (≤4 mm) occurred in 1.6% (30 eyes) of cases.

Related Experiment Videos

  • All 30 eyes received in-the-bag IOLs without capsule tears.
  • Iris-enlarging surgery was required more frequently in smaller pupils (2-2.5 mm).

    • Conclusions:

    • Phacoemulsification with in-the-bag IOL implantation is safe and efficient for small pupils.
    • The nucleofractis technique (phacoemulsification with nuclear fracturing) is proposed for managing small pupils.
    • Continuous tear capsule opening and nucleofractis minimize complications in small pupil cataract extraction.