The causes of tears in the wind are as follows: 1, cold air stimulation: tears in the wind is actually more common when exposed to cold air, in the summer when it is hot, this situation will be better, winter is generally aggravated, this symptom is due to tear duct obstruction or narrowing caused by. 2, organic lesions: middle-aged and elderly people are mostly associated with organic lesions, tears can cause discomfort, long-term can cause chronic irritation of the conjunctivitis and even eczematous dermatitis of the lower lids and cheeks. As a result of constant tearing, patients will constantly wipe their tears with their hands, the long-term effect will instead make the lower eyelid flaccid and ectropion, thus aggravating the symptoms of tearing, which is one of the causes. 3, other causes: If some elderly people have this tearing symptom, but flushing the tear duct is open when there is no obvious tear obstruction, the main reason is the relaxation of the tear orbicularis muscle and the weakening or disappearance of the tear pump. Tear drainage is impaired, which in turn leads to functional tearing.