难治性鼻泪管阻塞
refractory naso-lacrimal duct obstruction
外伤性鼻泪管阻塞
Traumatic obstruction of the nasolacrimal duct
先天性鼻泪管阻塞
comgenital nasolacrinnal duct obstruction
Neonatal duct obstruction
congenital nasolacrimal duct obstruction
原发性鼻泪道阻塞
Primary nasolacrimal duct obstruction
泪小管断裂吻合术
lacrimal canaliculus anastomosis
泪小管断裂修复术
repair of laceration of canaliculus
临界破膜速度
critical rupture of membranes speed