Hypertensive retinal changes are retinal changes caused by acute or chronic elevation of blood pressure.Persistent elevation of blood pressure leads to structural and microcirculatory changes in the retina,followed by ischemia and hypoxia of the retina,which ultimately causes damage to visual function.Because retinal blood vessels have similar embryonic origins to other blood vessels in the body,such retinal changes are also considered to be an important marker of hypertensive damage to other target organs.The optical coherence tomography flow imaging is a non-invasive,high-resolution,reproducible,real-time optical imaging technique that has been rapidly developed and widely used in clinical practice in recent years.Its ability to noninvasive image the retinal microcirculation and quantify the images into data through its built-in software or other means,and subsequently assess the state of the retinal microcirculation,provides new ideas for the investigation of fundus diseases.
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