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Updated: Nov 20, 2025

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Limbus-centered marking technique-assisted continuous circular capsulorhexis.

Xiaogang Wang1, Jing Dong2, Minghui Deng3

  • 1Shanxi Eye Hospital.

Medicine
|January 20, 2021
PubMed
Summary
This summary is machine-generated.

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A new limbus-centered capsulotomy mark (LCM) aids in precise cataract surgery. This technique ensures a well-centered intraocular lens (IOL) and a continuous circular capsulorhexis (CCC) for better outcomes.

Area of Science:

  • Ophthalmology
  • Surgical Techniques
  • Cataract Surgery

Background:

  • Accurate capsulorhexis is crucial for successful cataract surgery.
  • Traditional methods may have limitations in achieving precise centering.
  • Continuous circular capsulorhexis (CCC) is a standard technique.

Purpose of the Study:

  • To introduce and evaluate a novel limbus-centered capsulotomy mark (LCM) technique.
  • To compare the LCM technique with traditional capsulotomy diameter marking.
  • To assess the impact of the LCM on capsulorhexis and intraocular lens (IOL) placement.

Main Methods:

  • An observational study involving routine cataract surgery.
  • Comparison between a self-designed limbus-centered capsulotomy mark (LCM) and traditional marking.

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  • Measurement of CCC area, distances from capsule to IOL margins, and total CCC coverage area in ten eyes per group.

    • Main Results:

    • No significant differences were observed in most measured parameters between the LCM and traditional groups (P > .05).
    • The LCM group showed a lower capsule total coverage area and area within the inner 5.5-mm ring.
    • These findings suggest an advantage for the LCM technique in specific aspects.

    Conclusions:

    • The limbus-centered capsulotomy diameter mark (LCM) is an inexpensive and convenient method.
    • LCM facilitates limbus-centered capsulorhexis with a 360° overlapping capsular edge.
    • This technique aids in achieving well-centered intraocular lens (IOL) optics during cataract surgery.