Application of optical coherence tomography angiography in anterior segment disease

doi:10.3760/ cma.j.issn.1673-5803.2022.02.007

International Review of Ophthalmology ›› 2022, Vol. 46 ›› Issue (2): 134-138.doi: 10.3760/ cma.j.issn.1673-5803.2022.02.007

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Application of optical coherence tomography angiography in anterior segment disease

Wang Feng1, Liang Dong1, Shao Yi2

1 Department of Ophthalmology, Meizhou People’s Hospital, Guangdong 514000, China; 2 Department of Ophthalmology, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China

Received:2021-05-07 Online:2022-04-22 Published:2022-04-24
Contact: Shao Yi, Email: freebee99@163.com
Supported by:
National Natural Science Foundation of China (82160195); Central Government Guides Local Science and Technology Development Foundation (20211ZDG02003); Key Research Foundation of Jiangxi Province (20181BBG70004, 20203BBG73059); Research and Cultivation Project of Guangdong Meizhou People's Hospital (PY-2021043, PY-2021060)

Abstract

Abstract: The research of anterior segment coherence tomography angiography (AS-OCTA) is still in its infancy. At present, it can be used in the diagnosis and treatment evaluation of anterior segment diseases such as cornea, iris, sclera and conjunctiva. It can objectively quantify corneal vascularization, evaluate limbal conjunctival ischemia after ophthalmic burn and evaluate inducing corneal neovascularization model in rabbits. The distribution of blood vessels in each layer of iris and the early subclinical iris neovascularization can be clearly detected with AS-OCTA. The OCTA system is mainly designed for posterior segment imaging, which has its limitations when applied to the anterior segment. It is necessary to adjust the scanning protocol and to use the anterior segment adapter lens for anterior segment application.(Int Rev Ophthalmol, 2022, 46: 134-138)

Key words: optical coherence tomography angiography, anterior segment diseases　　

Wang Feng, Liang Dong, Shao Yi. Application of optical coherence tomography angiography in anterior segment disease[J]. International Review of Ophthalmology, 2022, 46(2): 134-138.

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Application of optical coherence tomography angiography in anterior segment disease

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