Related Experiment Video
Updated: Nov 2, 2025
04:48
Application of Deep Learning-Based Medical Image Segmentation via Orbital Computed Tomography
Published on: November 30, 2022
3.1K
Automatic Anterior Chamber Angle Classification Using Deep Learning System and Anterior Segment Optical Coherence
Wanyue Li1, Qian Chen2,3, Chunhui Jiang2,3
1Jiangsu Key Laboratory of Medical Optics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, China.
Translational Vision Science & Technology
|June 10, 2021
Summary
A new deep learning algorithm automatically classifies anterior chamber angles from optical coherence tomography images with high accuracy. This automated classification of anterior chamber angle can aid in glaucoma assessment.
Area of Science:
- Ophthalmology
- Medical Imaging
- Artificial Intelligence
Background:
- Anterior chamber angle assessment is crucial for diagnosing and managing glaucoma.
- Current methods for angle classification can be subjective and time-consuming.
Purpose of the Study:
- To develop a deep learning-based software package for automated anterior chamber angle classification.
- To utilize anterior segment optical coherence tomography (AS-OCT) images for this classification.
Main Methods:
- Employed the Inception version 3 network and transfer learning techniques.
- Trained and validated the algorithm on AS-OCT images from subjects with open, narrow, and closed angles.
- Evaluated performance using fivefold cross-validation and an independent test dataset.
Main Results:
- Achieved high sensitivity and specificity for classifying closed (0.999, 1.000) and non-closed angles.
- Overall classification accuracy for open, narrow, and angle-closure was 0.989 sensitivity and 0.995 specificity.
- Demonstrated excellent performance for individual angle classifications.
Conclusions:
- The developed deep learning method accurately classifies anterior chamber angles using AS-OCT.
- This automated approach shows significant potential for clinical application in glaucoma assessment.
Related Concept Videos
01:28Angle Closure Glaucoma: Treatment
906
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
906
01:27Open Angle Glaucoma: Treatment
779
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
779
01:25Glaucoma: Overview
1.0K
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
1.0K