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Published on: September 16, 2020
New patterns of retinal collateral circulation are exposed by a retinal functional imager (RFI)
1Department of Ophthalmology, New York Eye and Ear Infirmary, 310 East 14th Street, New York City, NY 10003, USA.
The British Journal of Ophthalmology
|August 21, 2009
Summary
Retinal functional imager (RFI) studies revealed four distinct patterns of retinal collateral circulation in normal individuals and patients with ocular diseases. These findings offer new insights into retinal vascular anatomy.
Area of Science:
- Ophthalmology
- Medical Imaging
- Vascular Biology
Background:
- Retinal collateral circulation plays a role in maintaining ocular perfusion.
- Understanding these pathways is crucial for diagnosing and managing various retinal vascular conditions.
Purpose of the Study:
- To identify and characterize novel patterns of retinal collateral circulation.
- To evaluate the presence of these patterns in both healthy subjects and patients with ocular diseases using the retinal functional imager (RFI).
Main Methods:
- Utilized the retinal functional imager (RFI) for high-resolution imaging of retinal blood flow.
- Analyzed imaging data from a cohort including normal subjects and patients with diverse ocular pathologies.
Main Results:
- Identified four distinct patterns of retinal collateral circulation: looped, vertical, H-shaped, and cilioretinal-retinal.
- Observed these collateral patterns in both normal subjects and individuals with various ocular diseases.
Conclusions:
- The retinal functional imager (RFI) enables visualization of previously unrecognized retinal collateral patterns.
- These newly described patterns contribute to a broader understanding of retinal vascular adaptations in health and disease.
