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Choroidal vascularity index: a step towards software as a medical device
Bjorn Kaijun Betzler1, Jianbin Ding2, Xin Wei3
1Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
The British Journal of Ophthalmology
|January 30, 2021
Summary
The choroidal vascularity index (CVI) quantifies choroid vascularity using OCT images. This promising tool aids in disease prognostication and monitoring, offering a more accurate evaluation than previous methods.
Area of Science:
- Ophthalmology
- Medical Imaging
- Vascular Biology
Background:
- The choroid is a critical vascular network in the eye.
- Accurate assessment of choroidal vascularity is vital for understanding ocular and systemic diseases.
- Previous methods like choroidal thickness had limitations.
Purpose of the Study:
- To review current literature on the choroidal vascularity index (CVI).
- To explain the derivation of CVI from optical coherence tomography (OCT) images.
- To explore the clinical and research potential of CVI.
Main Methods:
- Literature review of studies utilizing CVI.
- Explanation of CVI calculation: ratio of vascular area to total choroidal area.
- Discussion of CVI application in various disease states.
Main Results:
- CVI shows promise as a tool for disease prognostication and monitoring.
- Studies demonstrate CVI's efficacy in quantitative evaluation of choroidal vascularity.
- Ongoing development aims for automated CVI calculation from OCT images.
Conclusions:
- CVI offers a robust and accurate method for assessing choroidal vascularity.
- CVI has significant potential for integration into clinical practice and future research.
- Further research and automated algorithms will enhance CVI's utility.
