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Related Experiment Video

Updated: Jun 19, 2026

Corneal Confocal Microscopy: A Novel Non-invasive Technique to Quantify Small Fibre Pathology in Peripheral Neuropathies
11:29

Corneal Confocal Microscopy: A Novel Non-invasive Technique to Quantify Small Fibre Pathology in Peripheral Neuropathies

Published on: January 3, 2011

Keratoconus detection using corneal topography.

Jack T Holladay1

  • 1Baylor College of Medicine, Houston, TX, USA. holladay@docholladay.com

Journal of Refractive Surgery (Thorofare, N.J. : 1995)
|October 24, 2009
PubMed
Summary

This study identifies key topographic patterns for screening keratoconus suspects. Standard corneal topography and clinical evaluation are crucial for early detection of this condition.

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Area of Science:

  • Ophthalmology
  • Corneal Imaging
  • Refractive Surgery

Background:

  • Keratoconus is a progressive thinning of the cornea.
  • Early detection is vital to prevent vision loss.

Observation:

  • Utilized NIDEK OPD-Scan II and OPD Station data.
  • Analyzed topographic maps of keratoconic corneas.

Findings:

  • Identified five criteria for keratoconus detection: eccentric cone apex, round tangential map appearance, keratometry >45.00 D, apical thinning (~30 µm difference), and asymmetric patterns.
  • These criteria aid in identifying keratoconus suspects.

Implications:

  • Standard corneal topography is fundamental for keratoconus screening.
  • Simple clinical evaluation criteria enhance diagnostic accuracy.
  • Facilitates early intervention and management of keratoconus.

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