• Chengdu Institute of Biology, Chinese Academy of Sciences, Department of Ophthalmology, Sicuan Provincial Pepole’s Hospital, Chengdu 610072, China;
Yang Zhenglin, Email: zliny@yahoo.com
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Wet age-related macular degeneration (wAMD) is caused by choroidal neovascularization (CNV), which occurs when the choroidal new capillaries reach the RPE layer and photoreceptor cell layer through the ruptured Bruch membrane, leading to neovascularization bleeding, leakage, and scarring. In view of the important role of VEGF in the development of CNV, targeted therapy with various intraocular anti-VEGF drugs is the first-line treatment for wAMD. However, the efficacy of anti-VEGF drugs in the treatment of wAMD is affected by a variety of factors, and some patients still have problems such as unresponsiveness, drug resistence, tachyphylaxis, long-term repeated injections, and severe adverse effects. It is the direction of future researches to deeply explore the physiological and pathological process of wAMD, find the cause of CNV formation, and seek better therapies.

Citation: Xu Huijuan, Yang Zhenglin. The limitation of anti-vascular endothelial growth factor treatment for wet age-related macular degeneration. Chinese Journal of Ocular Fundus Diseases, 2020, 36(2): 156-161. doi: 10.3760/cma.j.issn.1005-1015.2020.02.017 Copy

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