Khadija Mohammad, Mubashir Jalis, Mustafa Abdul Hameed Ismail, Gul-e Naghma Saeed, Fauzia Abdus Samad, Sabahat Rehman.
Opening the Block There and Then: Nasolacrimal Duct Block Revisited.
Al-Shifa J Ophthalmol Jan ;15(3):33-8.

This was a correlational study with quantitative study design to present the success rate in treating congenital nasolacrimal duct obstruction with hydrostatic pressure (Crigler method) as a single maneuver in the outpatient department. A total of 175 children aged up to 12 months with congenital nasolacrimal duct obstruction were treated noninvasively with hydrostatic pressure as a single procedure. Children were followed up after 1 week to ensure opening of obstruction.

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