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Related Experiment Videos

Corneal topographic changes after phacoemulsification through steep axis incision.

Suphi Acar1, Ersin Mavi, C Banu Cosar

  • 1Haydarpasa Numune Training and Research Hospital, Eye Clinic 2, Istanbul, Turkey.

International Ophthalmology
|August 5, 2004
PubMed
Summary

Sutured 5.5 mm corneal incisions after phacoemulsification increased topographic irregularity compared to sutureless 4.0 mm incisions. Sutureless incisions are recommended for faster visual rehabilitation.

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Area of Science:

  • Ophthalmology
  • Corneal Surgery
  • Phacoemulsification

Background:

  • Phacoemulsification with intraocular lens (IOL) implantation is a common cataract surgery technique.
  • Corneal incision size and closure method can influence postoperative outcomes.
  • Corneal topography is crucial for assessing visual quality after surgery.

Purpose of the Study:

  • To compare the effects of 5.5 mm sutured and 4.0 mm sutureless corneal incisions on corneal topography after phacoemulsification.
  • To evaluate the impact of incision type on visual rehabilitation.

Main Methods:

  • A randomized study involving 20 eyes undergoing phacoemulsification with IOL implantation.
  • Group 1: 5.5 mm sutured incision with a PMMA IOL. Group 2: 4.0 mm sutureless incision with a foldable acrylic IOL.

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  • Corneal topography (Keratron Corneal Analyzer) and ocular examinations were performed preoperatively and at 1 week and 1 month postoperatively.

    • Main Results:

    • No significant difference in best fit sphere (BFS) between groups at any time point.
    • Preoperatively, the 5.5 mm group had higher best fit cylinder (BFC), but this difference disappeared postoperatively.
    • The 5.5 mm sutured incision group showed significantly higher topographic irregularity (TI) at 1 month postoperatively.

    Conclusions:

    • Sutured 5.5 mm corneal incisions lead to increased topographic irregularity at 1 week and 1 month postoperatively.
    • Sutureless 4.0 mm corneal incisions result in better corneal topographic stability.
    • Sutureless incisions are recommended for improved and faster visual rehabilitation after phacoemulsification.