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在原发性开角型青光眼(POAG),眼压的升高是青光眼性视野缺损的唯一原因吗?十多年前,凡眼内压超过20mmHg的病人均被高度怀疑,并立即用匹罗卡品治疗。而现在,对认为眼压是青光眼性损害的唯一重要因素已逐渐产生怀疑。对一组不经选择的55岁或以上的人,用自动视野计检查青光眼性视野缺损的情况,虽有7.5%的人眼压在20.5mmHg或更高,然仅1%的人带有典型的青光眼性视野缺损和视神经病变;其中只有半数眼压在20.5mmHg或更高。
In primary open-angle glaucoma (POAG), IOP is the only cause of glaucomatous visual field defect. More than a decade ago, patients with intraocular pressure exceeding 20 mmHg were highly suspected and immediately treated with piro Card products treatment. Now, there is a growing suspicion that intraocular pressure is the only important cause of glaucomatous damage. In an unselected group of 55 years or older, glaucomatous visual field defects were examined using an autoradiometer. Although 7.5% of them had an IOP of 20.5 mmHg or higher, only 1% of them had typical Of glaucomatous visual field defects and optic neuropathy; only half of the intraocular pressure at 20.5mmHg or higher.