Probing for congenital nasolacrimal duct obstruction in older children

Bahram Eshragi1, Masoud Aghsaei Fard, Babak Masomian

  • 1Department of Ophthalmology, Farabi Eye Research Center, Tehran University of Medical Sciences, Tehran, Iran.

Insights

Probing congenital nasolacrimal duct obstruction in children over 2 years old is effective, with a 54% complete success rate. Bilateral obstruction independently predicts probing failure.

Area of Science:

  • Ophthalmology
  • Pediatric Surgery

Background:

  • Congenital nasolacrimal duct obstruction (CNLDO) is a common condition in infants.
  • While often resolving spontaneously, persistent cases may require intervention.

Purpose of the Study:

  • To assess the efficacy of nasolacrimal duct probing in children aged 2 years and older with CNLDO.
  • To identify predictors of successful probing outcomes.

Main Methods:

  • A prospective study included 82 children over 24 months old with CNLDO.
  • All patients underwent simple nasolacrimal duct probing as the primary treatment.
  • Outcomes were evaluated via ophthalmologic exams and parental symptom history at 1 and 6 months post-surgery.

Main Results:

  • The overall complete response rate was 54%, with partial response in 25% and failure in 20.8%.
  • Bilateral obstruction was significantly associated with probing failure (Odds Ratio: 5.76, P = 0.007).
  • Age over 36 months did not correlate with increased failure rates.

Conclusions:

  • Simple nasolacrimal duct probing is a successful primary treatment for CNLDO in children over 2 years old.
  • The procedure maintains a high success rate without an age-related decline in efficacy.
Abstract