Dry eye is one of the most common reasons for consulting an ophthalmologist, after sight tests. This very common disease affects the surface of the eye and the eyelids. There are several different kinds of dry eye:
Dry eye may be related to a change in the quantity or quality of the tear film:
Dry eye may be associated with certain eyelid abnormalities:
Dry eye may be related to abnormalities of the ocular surface:
More than 80% of cases are linked to Meibomian gland dysfunction and eyelid inflammation.
The meibomian glands are small glands located in the upper and lower eyelids that secrete the lipid layer of tears. Dry eye associated with meibomian gland dysfunction is the most common form of dry eye and results in:
The resultant thinning of the lipid layer leads to excessive evaporation of the aqueous layer (water).





What are the symptoms of dry eye?
But sometimes dry eye has no symptoms.
Eyes feel dry
Excessive watering
Eyelids stuck together
Problems with vision
Dry eye can affect anyone, and has a wide range of causes:











Think you may have dry eye? Take two minutes to assess your symptoms using the OSDI-6 questionnaire (six questions) provided on our site.
New imaging tests and IPL (intense pulsed light) treatments—all completely painless—are now available alongside a range of other diagnostic and treatment options for dry eye.