北京的刘女士:每到春天,我的眼睛一吹冷风就流泪,请问是沙眼吗?连线医生——武警总医院眼科副主任医师陶海:有些人对寒冷刺激比较敏感,眼睛受到冷空气刺激后,反射性地引起泪液分泌增多,而泪小管和泪点受冷刺激后发生痉挛性收缩,一时不能把过多的眼泪引流出去,于是就产生了流泪的情况。还有些老年人皮肤老化、肌肉松弛,泪腺和泪 Ms. Liu Beijing: Every spring, my eyes blowing cold tears, is it trachoma it? Link Doctor - Armed Police General Hospital of Ophthalmology, deputy director of the Tao Tao: Some people are more sensitive to cold stimulation, the eyes were cold air After stimulation, reflex caused by increased secretion of lacrimal fluid, and punctate the punctate canal and punctate spasmodic contraction after cold stimulation, and sometimes can not divert too much tears out, so there was the case of tears. Some elderly skin aging, muscle relaxation, lacrimal glands and tears