What is dry eye?
Dry eye is a chronic (long-term) condition. This means that once you have had it, it can come back even after it has cleared up. It often affects both eyes, but one eye may be worse that the other. There are several treatments for dry, and you can do some of these at home.
Dry eye does not normally cause permanent problems with your sight, but in severe cases it can become very painful and cause permanent damage to the front of your eye.