A prospective study comparing mini-invasive and conventional canaliculotomy of punctum-sparing canaliculotomy for primary canaliculitis treatment.

The two procedures employed in this study to treat primary canaliculitis achieves excellent clinical effects with no incidence of recurrence. The mini-invasive canaliculotomy is worthy to be recommended for its higher functional success rate with mini-invasion of canaliculus and intact lacrimal punctum.