我们使用面积计测量圆锥与视神经盘表面比值。
The surface ratio of conus to disc was calculated using a planimeter.
青光眼是一种慢性视神经病变，它的特征是视网膜的视网膜神经节细胞死亡，造成视神经盘和视网膜神经纤维层的损害。
Glaucoma is a chronic optic neuropathy characterized by retinal ganglion cell death resulting in damage to the optic nerve head and the retinal nerve fiber layer.
诊断青光眼视神经损害的三要素为盘沿丢失、视网膜神经纤维层缺损(RNFLD)及视盘线状出血。
Three essential elements of glaucomatous optic nerve damages are optic nerve rim loss, retinal nerve fiber layer defects (RNFLD) and optic disc linear hemorrhages.
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