青光眼是一系列眼科疾病的统称,在大多数情况下会导致眼内压增高,全球青光眼患者超过6500万人。一旦眼压升高,视神经就会受到损伤,导致视网膜细胞死亡,神经纤维退化,最终直至永久失明。
There are several good methods to diagnosing glaucoma but only one that monitors the disease to ensure the prescribed treatments are working. Called the Goldman applanationtonometery, or GAT, the method requires that the eye be anesthetized in a physician’s office and then a plastic prism makes contact with the cornea to measure the pressure. Not only is this uncomfortable and complex but this technique has been found in several studies to be inaccurate.
青光眼有好几种不错的诊断方法,但是能对病情进行监测,以了解治疗是否有效的办法只有一种——它叫做Goldman压平眼压计测量法或GAT。用这种方法测量眼压,首先需要在医生的办公室里将患者的眼部麻醉,然后用一根塑料棱镜按压患者的角膜来测量眼压。这种方法不仅难受、复杂,而且根据多项研究显示,并不是非常精确。
“Unfortunately, the patient can’t today measure his own IOP like he would with hypertension where you can measure your own blood pressure. Glaucoma patients have to go to their physicians,” Mandel said in a phone interview. “In one study, they measured IOP over 24 hours and saw there were large variations. In about 80 percent of the patients, they changed the treatment.”
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2020-09-15
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