Sometimes your eyes don’t make enough tears or the tears evaporate too fast because they don’t have the right amount of compounds in them. This is called dry eye. Up to 5% of Americans complain of some form of dry eye. Individuals who wear contact lenses or have undergone LASIK or other types of refractive surgery commonly complain of dry eye. The condition is more common in women and is more common and severe in older persons.
Dry eye may occur by itself, or the surface of the eye may be inflamed at the same time. This condition can make it harder for you to carry out certain activities such as reading for long periods or looking at a computer screen. You may also be less comfortable in dry environments.
Mild cases of dry eye may go away on their own. However, if dry eye persists and goes untreated, it can cause ulcers or scars on the surface of the eye (cornea). This can be painful and may lead to some vision loss. Permanent loss of vision from dry eye, though, is uncommon.