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Crater-and-chop technique for phacoemulsification of hard cataracts.

Authors
  • Vanathi, M1
  • Vajpayee, R B
  • Tandon, R
  • Titiyal, J S
  • Gupta, V
  • 1 Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute for Medical Sciences, New Delhi, India.
Type
Published Article
Journal
Journal of Cataract & Refractive Surgery
Publisher
Elsevier
Publication Date
May 2001
Volume
27
Issue
5
Pages
659–661
Identifiers
PMID: 11377891
Source
Medline
License
Unknown

Abstract

We describe a technique of in-the-bag phacoemulsification of large, hard, leathery brown nuclear cataracts. A large crater approximately 6.0 mm diameter is created by down-slope sculpting up to 90% of nuclear thickness, leaving the outer nuclear rim intact. The edge of the crater is held with the phaco probe using high vacuum, and small wedge-shaped pieces are created with a chopper. These small pieces are emulsified in the space created by the crater. This technique permits in-the-bag phacoemulsification of large brown cataracts without complications.

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