Dry Eye Syndrome
What is Dry Eye Syndrome?
Dry eye syndrome is a common eye problem. In fact, it is estimated that more than 10 million people in the United States alone suffer from dry eye syndrome. A person who has dry eye syndrome generally has a problem with the quantity or quality of the tear film which is responsible for properly lubricating the eyes.
The production of tears is an amazingly complex process. A tear actually consists of 3 separate layers and each layer has a purpose. There is a mucous layer, which coats the eye and acts somewhat like an adhesive. In the middle of a tear is an aqueous layer and it’s responsible for delivering nutrients and oxygen to the cornea. Consisting primarily of water, this layer also has a bit of salt, which is why tears taste salty. The outer layer of the tear, the lipid, is oily and its job is to seal in the moisture so it does not evaporate. Tiny glands surrounding the eyes produce the ingredients needed for the various layers of tear, and excess tear fluids drain into tiny ducts. More →
Routine eye exams are important even for people who are not experiencing eye trouble. How often a person needs an eye exam depends on a number of factors including age, overall health and whether or not eye disorders run in the family. .. 
