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根据统计所得的正常眼压水平不等于对视神经无害的眼压水平。不少病人眼压轻度升高,但视功能无变化,即所谓“高眼压症”,但有些低眼压性青光眼的患者,其眼压并不高、但视盘凹陷,视野缩小。著者认为平均眼压、杯盘比以及全身血压的高低是青光眼预后的最重要因素。本文分析155只眼的视野及杯盘比的变化与上述三因素的关系,发现血压愈低,预后愈差;杯盘比较大者,视功能不断恶化的可能性较大;眼压较低者,也有20%病人视功能继续恶化。著者通过电脑分析多维回归,根据不同的杯盘比大小和不同血压,求得安全眼压水平。
According to the statistics of the normal intraocular pressure level is not equal to the optic nerve harmless intraocular pressure level. Many patients with mild elevation of intraocular pressure, but no change in visual function, the so-called “ocular hypertension”, but some patients with low intraocular pressure glaucoma, the intraocular pressure is not high, but the disc depression, narrowing of vision. The author believes that the average intraocular pressure, cup ratio and systemic blood pressure is the most important prognostic factor in glaucoma. This analysis of 155 eyes and cup-to-tray ratio changes with the above three factors and found that the lower the blood pressure, the prognosis worse; larger cup and a greater likelihood of deterioration of visual function; lower intraocular pressure , There are 20% of patients with visual function continues to deteriorate. Author through the computer analysis of multidimensional regression, according to different cup size and different blood pressure, seek safety intraocular pressure level.