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Updated: Jul 17, 2026

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Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
Published on: May 25, 2020
Development of a simple diagnostic method for the glaucoma using ocular Fundus pictures
Naoto Inoue1, Kenji Yanashima, Kazushige Magatani
1Dept. of Electr. Eng., Tokai Univ., Kanagawa.
Summary
This study introduces an automated glaucoma diagnostic system using fundus photographs. The system calculates the optic disc to optic cup ratio (C/D ratio) for early detection, aiming to prevent vision loss.
Area of Science:
- Ophthalmology
- Medical Imaging
- Artificial Intelligence
Background:
- Glaucoma affects 2 million people, with 90% having the chronic form.
- Most patients are unaware of their condition, leading to irreversible vision loss.
- Early detection is crucial for managing glaucoma and preventing blindness.
Purpose of the Study:
- To develop an automated diagnostic system for glaucoma using fundus photography.
- To enable early detection and monitoring of glaucoma through objective C/D ratio calculation.
Main Methods:
- Digitized fundus photographs are analyzed on a personal computer.
- The system automatically calculates and evaluates the optic disc to optic cup (C/D) ratio.
- The calculated C/D ratio is used to assess the subject's condition for glaucoma.
Main Results:
- The developed system can automatically compute the C/D ratio from fundus images.
- The system provides an objective measure for glaucoma screening.
- Automated analysis facilitates efficient patient check-ups.
Conclusions:
- An automated glaucoma diagnostic system using fundus photography has been developed.
- The system's ability to calculate the C/D ratio offers a promising approach for early glaucoma detection.
- This technology has the potential to significantly aid in preventing vision loss associated with glaucoma.
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