8Paul TO,Shepherd R.Congenital vasolarimal duet obstruction:nalura history and the timing of optimal intervention.J Pediatr Ophthalmol Strabismus,1994,31:362-367.
9Alagoz G,Serin D,Celebi S,et al.Treatment of congenital nasolacrimal duct obstruction with high pressure irrigation under topical andsthesia.Ophthal Plast Recomstr Surg,2005,21:423-426.
10Stolovitch C,Michaeli A,Hydrostatic pressure as an office procedure for congenital nasolacrimal duct obstruction.J AAPOS,2006,10:269-272.
