The term functional nasolacrimal duct obstruction (FNLDO; watering with patent drainage) is misleading as it implies occluded drainage and solely nasolacrimal duct pathology. 'Normal' tear ...

Although epiphora can be due to either excessive tear production or abnormal drainage through the nasolacrimal system, in rabbits the most common cause of epiphora is a blocked nasolacrimal duct.

The underlying problem is often blockage of the tear ducts which are quite narrow and easily blocked in young babies. When they are blocked the fluid which usually lubricates the eye cannot drain ...

One issue that many cat parents might come across is the dreaded blocked tear duct. If your cat has a blocked tear duct, you ...

Nasolacrimal duct stenosis due to inflammatory edema further impedes outflow and, thereby, exacerbates flow symptoms. The imbalance of tear production and clearance is often compounded by minor ...

My six month old daughter has suffered from blocked tear ducts since birth and her eyes are always infected and streaming with green or yellow mucus. I have been told it should clear with wiping ...