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Table 1 Exclusion criteria

From: Transcanalicular laser dacryocystorhinostomy for acquired nasolacrimal duct obstruction: an audit of 104 patients

Exclusion criteria
Congenital obstruction
Neoplastic obstruction
Traumatic obstruction
Canalicular stenosis
Intrasaccal stenosis
Lid anomalies/malposition
Underlying rhinological disease
Prior nasolacrimal surgery
  1. If patient history revealed one or more matches in these categories, patients were excluded from the study