Medically reviewed by Andrew Greenberg, MD 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 ...

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

Eye problems are common in both laboratory and pet rabbits. This column reviews the anatomy of the nasolacrimal duct system in rabbits and describes the appropriate techniques for working up a ...

Age-related macular degeneration (AMD) AMD is a common eye condition that happens as you get older. It affects the macula, ...

Blocked tear ducts—also called nasolacrimal duct obstruction (NLDO) or dacryostenosis—are another common cause of crusty eyes ...