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Corneal Edema after Cataract Surgery.

Celeste Briceno-Lopez1,2, Neus Burguera-Giménez1,2, M Carmen García-Domene1,2

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Summary

This review links corneal edema after cataract surgery to endothelial cell loss during phacoemulsification. Patient age, cataract grade, and surgical stress are key factors, with pachymetry aiding diagnosis.

Keywords:
cataract surgerycorneal edemaoptical coherence tomographypachymetryrefractive changesvisual performance

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Area of Science:

  • Ophthalmology
  • Corneal Surgery
  • Cataract Surgery Outcomes

Background:

  • Corneal edema is a potential complication following cataract surgery.
  • Manual phacoemulsification is a common surgical technique for cataract removal.
  • Understanding the causes of corneal edema is crucial for improving patient outcomes.

Purpose of the Study:

  • To systematically review the prevalence and causes of corneal edema after manual phacoemulsification cataract surgery.
  • To identify factors contributing to endothelial cell loss and corneal edema.
  • To evaluate diagnostic tools for assessing corneal edema post-surgery.

Main Methods:

  • Comprehensive literature search of PubMed, Embase, ProQuest, Cochrane Library, and Scopus.
  • Systematic data extraction from 103 articles (62 theoretical, 41 clinical trials) by two independent reviewers.
  • Analysis of 3060 records focusing on corneal edema, endothelial cell loss, pachymetry, and surgical variables.

Main Results:

  • Significant correlation found between corneal edema and endothelial cell loss during phacoemulsification.
  • Patient age, cataract grade, and mechanical stress identified as contributors to endothelial cell loss.
  • Pachymetry and optical coherence tomography confirmed as valuable diagnostic tools for corneal edema.

Conclusions:

  • Corneal edema following manual phacoemulsification cataract surgery is closely linked to endothelial cell loss.
  • Patient demographics and diagnostic modalities play a relevant role in managing this complication.
  • Further research is needed to explore refractive changes and underlying mechanisms of corneal edema.