Causes of tearing in pediatric age group
Abstract
There are numerous causes of childhood tearing, among them the following are the most important: Nasolacrimal Duct Obstruction Congenital Glaucoma Corneal Ulcer Conjunctivitis Distichiasis The commonest causes of childhood tearing are nasal lacrimal duct obstruction. This is typically due to a mucus membrane obstruction at lower end of nasal lacrimal duct estimated to be present in up to 20% of new born babies. Lacrimal apparatus comprises of lacrimal gland, accessory lacrimal gland, lacrimal passage which includes puncta canaliculi, lacrimal sac and nasal lacrimal duct.
