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.

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 ...

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 ...

I have a blocked tear duct which causes my eyes to water a lot. The doctor has told me that the only options I have are to put up with it or have surgery to unblock it, which he says is painful ...

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