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目的 :探讨先天性鼻泪管阻塞部位 ,预防鼻泪管长期阻塞的并发症 ,防止永久性狭窄。方法 :对30 0例、310眼鼻泪管阻塞的患儿在局麻和按压下用 5～ 6号探针探察其阻塞部位 ,确定自下泪点至阻塞膜间距 ,同时探通阻塞膜并冲洗泪道 ,对不同月龄组泪道阻塞部位进行比较。结果 :30 0例、310眼全部一次探通治愈。 2～ 6个月患儿泪道阻塞部位在 2 5± 1.85mm处 ,7～ 12月患儿阻塞部位在 2 6± 2 .0mm处 ,13～ 19个月患儿阻塞部位在 2 7± 1.75mm处。各组均值间比较差异有高度显著性 (P <0 .0 1)。结论 :先天性鼻泪管阻塞早期探通治疗安全有效 ,早期探通治疗可预防并发症和永久性鼻泪管狭窄。
Objective: To investigate the site of congenital nasolacrimal duct obstruction to prevent the long-term obstruction of nasolacrimal duct and prevent permanent stenosis. Methods: Thirty children (310 eyes) with nasolacrimal duct obstruction under local anesthesia and pressure were used to probe the occlusion site with probes No.5-6. The distance from the punctum to the occlusion membrane was determined and the occlusion membrane was probed Wash lacrimal duct, lacrimal duct obstruction in different parts of the age group were compared. Results: 30 0 cases, all of 310 eyes were cured. The site of lacrimal duct obstruction was 2 5 ± 1.85mm in 2 ~ 6 months, the area of obstruction was 26 ± 2mm in 7 ~ 12 months, and the area of obstruction in 13 ~ 19 months was 27 ± 1.75 mm at. The mean difference between groups was highly significant (P <0.01). CONCLUSION: Early detection of congenital nasolacrimal duct obstruction is safe and effective. Early probing can prevent complications and permanent nasolacrimal duct stenosis.