Shrestha K, Bhattarai B, Manandhar LD, Rai SK, Pandey A, Gurung S. Outcome of probing and syringing in congenital nasolacrimal duct obstruction at various age groups in a tertiary eye center in Western Nepal. Asian J Med Sci. 2018;9(6):57-61. doi:10.3126/ajms.v9i6.20508