中心暗点在诊断视网膜与视神经疾病中具有重要的意义,临床上曾采用 Bjerrum 平面视野计法、Ams-ler 方格法,虽然方法精确,但使用复杂。作者制作了“暗点卡”用来检查中心暗点,方法简单,费时较少,值得推广,具体作法如下:用6×7厘米大小的纸板(如图),在其上画9个圆点(3列, Dark spots in the center of the diagnosis of retinal and optic nerve disease has important significance, has used the clinical Bjerrum planimetric method, Ams-ler square method, although the method is accurate, but the use of complex. The author made a “dark card” to check the dark spots in the center. The method is simple and time-consuming, and worth promoting. The specific practices are as follows: Draw 6 × 7 cm cardboard (pictured) and draw 9 Dots (3 columns,