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Modified phacoemulsification in situ

T Dada1, N Sharma, V K Dada

  • 1Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi.

Journal of Cataract and Refractive Surgery
|August 28, 1998
PubMed
Summary
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This study presents a novel phacoemulsification technique for cataract surgery in eyes with compromised zonular support. The method involves controlled fracturing and emulsification of the nucleus to safely manage weak zonular apparatus.

Area of Science:

  • Ophthalmology
  • Surgical Techniques

Background:

  • Cataract surgery requires intact zonular support for safe nucleus removal.
  • Eyes with weakened zonular apparatus present unique challenges during phacoemulsification.
  • Conditions like uveitis, glaucoma, and trauma can compromise zonular integrity.

Purpose of the Study:

  • To describe a modified phacoemulsification technique for cataract removal in eyes with anticipated weak zonular apparatus.
  • To provide a safe and effective surgical approach for challenging cataract cases.

Main Methods:

  • A technique involving central sculpting to create a deep crater.
  • Controlled horizontal and vertical fracturing of the nucleus using phaco probe and chopper.
  • Sequential emulsification of nuclear fragments in pie-shaped pieces and quadrants.

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Main Results:

  • The described technique allows for safe emulsification of the cataract nucleus.
  • It minimizes stress on the weakened zonular fibers during the procedure.
  • Successful application in eyes with hypermature cataract, uveitis, glaucoma, trauma, retinitis pigmentosa, and retinal detachment.

Conclusions:

  • This modified phacoemulsification technique is particularly beneficial for eyes with compromised zonular integrity.
  • It offers a viable solution for managing complex cataracts, reducing the risk of intraoperative complications.