What You Must Know About Dry Eye

While the condition known as dry eye  may sound like a minor problem, it can cause tremendous discomfort, even pain. Worse, this disorder can lead to eye fatigue, blurred vision, and difficulty driving, especially at night. In a healthy eye, lubricating tears continuously bathe the cornea—the dome-shaped outer surface of the eye. These tears provide a layer of liquid protection from the environment while nourishing the cells, keeping the eyes comfortable, and helping the eyes function prope