人眼瞳孔(即瞳仁),是人体健康与否的观察点。正常情况下,双侧瞳孔等大等圆,并可随光线强弱以及情感变化而扩大或缩小,它们受交感神经和副交感神经支配。诊察瞳孔有无异常,常能帮助诊断许多疾病,以便及时治疗。 The pupil of the human eye (ie, the pupil) is the observation point for human health. Under normal circumstances, bilateral pupils are equally large and can be enlarged or reduced with light intensity and emotional changes. They are dominated by sympathetic and parasympathetic nerves. Check the pupils for any abnormalities, often to help diagnose many diseases for timely treatment.