Punctal plugs are devices used to treat dry eyes that are placed inside the tear ducts. They help keep eyes moist by preventing fluid, such as tears, from leaving the eyes. This can include both ...

Epiphora describes excessive eye watering. Allergies, infection, or a clogged tear duct often cause it. Learn about causes, ...

Newborn or natal conjunctivitis can cause redness or swelling in one or both eyes, usually appearing within the first few days after birth. It may be triggered by an infection, irritation from ...

Swelling under the eye can develop for various reasons, from mild conditions, such as allergies or blocked tear ducts, to more severe conditions, such as organ failure. If a person has swelling ...

Morning eye crust has a purpose—discover how this gritty buildup actually reveals your body's sophisticated overnight cleaning system protecting your vision.

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 ...