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Related Experiment Video

Updated: Jun 15, 2026

Full-Field Optical Coherence Microscopy for Histology-Like Analysis of Stromal Features in Corneal Grafts

Full-Field Optical Coherence Microscopy for Histology-Like Analysis of Stromal Features in Corneal Grafts

Published on: October 21, 2022

Corneal topography using moiré contour fringes.

|March 11, 2010

Summary

This study introduces a new method for corneal topography using moiré contour fringes. The technique accurately profiles corneal shapes, aiding in the diagnosis of conditions like keratoconus.

Area of Science:

Ophthalmology
Biomedical Optics
Medical Imaging

Background:

Accurate corneal topography is crucial for diagnosing and managing various eye conditions.
Existing methods may have limitations in precision or applicability to certain corneal abnormalities.

Purpose of the Study:

To develop and evaluate a novel moiré contour fringe technique for precise human corneal topography.
To assess the utility of this method in characterizing normal and abnormal corneal configurations.

Main Methods:

Moiré contour fringes were generated on the human cornea after fluorescein instillation.
A telecentric optical system established a constant depth interval of 0.148 mm between fringes.
Meridional sections of corneas were quantitatively profiled with high accuracy (approximately 0.005 mm).

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

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

Published on: January 3, 2011

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Last Updated: Jun 15, 2026

Full-Field Optical Coherence Microscopy for Histology-Like Analysis of Stromal Features in Corneal Grafts

Full-Field Optical Coherence Microscopy for Histology-Like Analysis of Stromal Features in Corneal Grafts

Published on: October 21, 2022

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

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

Published on: January 3, 2011

Main Results:

The moiré fringe technique successfully generated contour fringes on the corneal surface.
Quantitative profiling of corneal meridional sections achieved high accuracy.
The method demonstrated its capability in mapping corneal topography.

Conclusions:

The developed moiré contour fringe method offers an advantageous approach to corneal topography.
This technique is particularly beneficial for determining the configuration of abnormal corneas, including keratoconus and post-surgical changes.
The high accuracy supports its potential clinical application in ophthalmology.