1. Laser treatment of lacrimal passage: It has the advantages of less trauma, no side effect, no scar, short operation time and economy, and is the first choice for some patients with lacrimal passage diseases. It is mainly used to treat lacrimal duct stenosis and obstruction caused by inflammation, such as lacrimal canaliculus and common lacrimal duct stenosis and obstruction, nasolacrimal duct obstruction, chronic dacryocystitis and other cases.

2. Lacrimal canal surgery: including lacrimal punctoplasty, probing of lacrimal passage, repair of lacrimal fistula, repair of lacrimal canaliculus obstruction, repair of traumatic lacrimal canaliculus rupture, repair of lacrimal canaliculus obstruction, dacryocystorhinostomy, total lacrimal canaliculoplasty, etc. Suitable for lacrimal punctum stenosis, congenital dacryocystitis, traumatic lacrimal canaliculus rupture, chronic dacryocystitis and other cases.

The most commonly used diagnostic method for judging lacrimal duct obstruction is lacrimal duct irrigation. The position of lacrimal duct obstruction can be preliminarily judged according to the way and position of irrigation fluid reflux.

Dacryography can show the size and obstruction of lacrimal sac.