在乌黑眼珠的周围,似有一圈灰白色的绶带,深如白玉,浅如浮云,正好黑白相映,极像一副小小的天然眼镜。人们常因既无痛痒,又无异感,往往不以为意。其实,这恰恰是脑动脉硬化的信号。以老年人居多,在未老先衰 Around the dark eyes, there seems a circle of gray ribbons, as deep as white jade, as shallow clouds, just black and white, like a little natural glasses. People often have neither pain nor sense of feeling, often do not mind. In fact, this is precisely the signal of cerebral arteriosclerosis. To the majority of the elderly, old before the first decline