Table 2

 Surgical intervention and outcome—congenital nasolacrimal duct obstruction

Procedure sequenceOutcomenTubes out (mean) (range)Complications
DCR, dacryocystorhinostomy.
Intubation aloneCure385 months (1 day–10 months)Symptomatic cheesewiring in three cases
Not known8Not knownNone
Fail43 months (1–3 months)None
Fail13 daysPunctal granuloma
Intubation + endo DCRCure5Not recordedNone
Cure16 monthsIntra-op nostril burn + late cheesewire
Fail11 monthTube prolapse
Intubation + endo DCR + external DCRCure13 days
Cure16 monthsCheesewire
Intubation + external DCRCure1Not recordedNone
External DCRCure1Not recordedNone
Endo DCR (previous failed external DCR at other centre)Cure16 monthsNone