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Screening for Occult Macular Pathology Prior to Cataract Surgery Using Optical Coherence Tomography.

Yousef A Fouad1, Amr Mohamed ElGwaily1, Yasmine Maher Shaaban1

  • 1Department of Ophthalmology, Ain Shams University Hospitals, Cairo, Egypt.

Clinical Ophthalmology (Auckland, N.Z.)
|February 6, 2025
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Summary

Preoperative optical coherence tomography (OCT) screening detects occult macular pathology in 21.5% of eyes before cataract surgery. Advanced age and diabetes are key risk factors, highlighting OCT

Keywords:
cataractimagingmacularoptical coherence tomographypreoperative assessment

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Area of Science:

  • Ophthalmology
  • Medical Imaging
  • Retinal Diseases

Background:

  • Cataract surgery is a common procedure.
  • Preoperative evaluation typically includes fundoscopic examination.
  • Subtle macular pathologies may be missed by fundoscopy alone.

Purpose of the Study:

  • To determine the prevalence of occult macular pathology using optical coherence tomography (OCT) before cataract surgery.
  • To identify risk factors associated with occult macular pathology.

Main Methods:

  • Retrospective analysis of 121 patients undergoing cataract extraction.
  • Inclusion criteria: normal preoperative fundoscopic exam and available preoperative OCT imaging.
  • Statistical analysis to identify predictors of occult macular pathology.

Main Results:

  • Occult macular pathology prevalence was 21.5%.
  • Common pathologies included interface abnormalities (8.3%), drusen (4.1%), and diabetic macular edema (4.1%).
  • Advanced age (OR: 1.06) and diabetes mellitus (OR: 6.79) were significant predictors.

Conclusions:

  • Fundoscopic evaluation alone misses significant occult macular pathology.
  • Preoperative OCT screening is recommended, particularly for elderly patients and those with diabetes.
  • Early detection of macular pathology can optimize surgical outcomes.