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Related Experiment Video

Updated: Sep 30, 2025

Author Spotlight: Enhancing Visual Outcomes in Cataract Surgery: A Novel Technique to Prevent Posterior Capsular Opacification Through IOL Rotation
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"Stop & drop"- a modified "stop & chop" phacoemulsification technique for cataract surgery.

Kamal Mtanes1, Michael Mimouni1,2, Adir C Sommer1

  • 1Department of Ophthalmology, 58878Rambam Health Care Campus, Haifa, Israel.

European Journal of Ophthalmology
|March 10, 2022
PubMed
Summary

The novel "stop and drop" technique safely cracks the cataract nucleus without needing to go under the capsule, reducing risks of eye damage. This method is effective for most cataracts but not for very soft ones.

Keywords:
Phacoemulsificationhorizontal choppingphacodonesisposterior capsule ruptureradial tear

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Area of Science:

  • Ophthalmology
  • Surgical Techniques
  • Cataract Surgery

Background:

  • Traditional horizontal chopping in cataract surgery involves inserting a chopper under the anterior capsular rim.
  • This maneuver carries a risk of capsular or zonular damage.

Purpose of the Study:

  • To introduce the
  • stop and drop
  • technique for initiating the first crack in the cataract nucleus.
  • To eliminate the need for sub-anterior capsular manipulation during horizontal chopping.
  • To reduce the risk of intraoperative complications like capsular or zonular damage.

Main Methods:

  • A blunt chopper tip is placed on the superior surface of the hemisection, near the capsular edge.
  • Downward pressure is applied to create an initial crack via a pinching maneuver.
  • The chopper is then slid laterally to widen the crack, facilitating fragment removal with the phaco needle.

Main Results:

  • The
  • stop and drop
  • technique was successfully applied in over 100 cataract cases.
  • No instances of radial tear, posterior capsule rupture, or zonulolysis were observed.
  • The technique proved effective in creating the initial crack and facilitating nuclear disassembly.

Conclusions:

  • The
  • stop and drop
  • technique is a safe and effective method for phacoemulsification.
  • This technique is particularly advantageous for dense cataracts.
  • It is not recommended for soft nuclei, as the chopper may "cheese-wire" through the material, compromising control.