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用TBC－1微机中心视野分析仪对可疑青光眼537眼进行检查，发现有249眼出现了神经纤维束型视野缺损占46．4％，从灰度看（视野缺损总体积）绝大多数为早期改变。视野损害以Seidle暗点、生理盲点扩大及旁中心暗点为最多，在眼压与眼底两顶指征中，有一项有明显改变时视野损害的可能性也明显增多。
TBC-1 computer center field analyzer for 537 suspicious glaucoma examination found that there are 249 eyes appeared nerve fiber bundle type field defect accounted for 46.4% from the grayscale (the total volume of visual field defect) the vast majority of early change. Vision damage to Seidle dark spots, physiological blind spots to expand and next to the center of the dark spots for the most, in both intraocular pressure and fundus indications, there is a significant change in the possibility of visual field damage was significantly increased.