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Related Experiment Video

Updated: Dec 30, 2025

In vivo Structural Assessments of Ocular Disease in Rodent Models using Optical Coherence Tomography
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Retinal Thickness Analysis in High Myopia based on Medial Axis Transforms.

Takashi Michikawa, Satoshi Wada, Hideo Yokota

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |January 18, 2020
    PubMed
    Summary

    This study introduces a novel retinal thickness analysis method using optical coherence tomography (OCT) and medial axis transforms (MAT). This technique offers more accurate thickness measurements, aiding in the early detection of high myopia and other eye conditions.

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    Area of Science:

    • Ophthalmology
    • Medical Imaging
    • Computational Geometry

    Background:

    • Accurate retinal thickness measurement is crucial for diagnosing eye diseases like high myopia.
    • Conventional methods for retinal thickness analysis may lack precision, especially in distorted regions.

    Purpose of the Study:

    • To develop and validate a novel method for precise retinal thickness analysis from 3D optical coherence tomography (OCT) images.
    • To improve the accuracy of thickness measurements compared to traditional Y-axis-aligned methods.

    Main Methods:

    • Utilizing 3D OCT images with segmented retinal layer boundaries.
    • Computing medial axes of retinal layers via medial axis transforms (MAT).
    • Evaluating retinal thickness using Euclidean distance fields based on MAT-derived closest boundary points.

    Main Results:

    • The proposed MAT-based method provides more accurate retinal thickness measurements than conventional approaches.
    • The method successfully detects localized thinning in distorted retinal regions.
    • Identified thin-parts correlate with potential indicators of high myopia.

    Conclusions:

    • The novel MAT-based retinal thickness analysis method enhances diagnostic accuracy for high myopia.
    • This technique shows promise for the early detection of various eye diseases through precise OCT image analysis.