根据实用眼科杂志1991年第9卷第6期刊载的《先天性鼻泪管阻塞的泪道探通治疗》一文的介绍,我们制做并试用了用5号齿科针头尖部磨圆钝的泪道探针。笔者体会:①探针过细,加上患儿不合作用力闭目,易变形,不易操纵进针,很难准确进入鼻泪管;尤其是从上泪点更甚。②文中述:探针插入鼻泪管,入针深度约2cm。据我们反复应用均大于 According to Practical Ophthalmology, Volume 9, Volume 9, 1991, “Congenital nasolacrimal duct obstruction of the lacrimal duct probing treatment,” one article introduction, we made and tried with the No. 5 dental tip blunt Lacrimal probe. I understand: ① probe is too small, with children uncooperative eyes closed, easy to deform, difficult to manipulate the needle, it is difficult to accurately enter the nasolacrimal duct; especially from the tears even more. ② text above: probe into the nasolacrimal duct, needle depth of about 2cm. According to our repeated application are greater than