Millions of people suffer from dry eye. There are two main causes: decreased secretion of tears by the lacrimal (tear-producing) glands and loss of tears due to excess evaporation. Both can lead to ocular surface discomfort, often described as feelings of dryness, burning, a sandy/gritty sensation, or itchiness. Visual fatigue, sensitivity to light, and blurred vision are also characteristic of dry eye. Here are comprehensive overview covers symptoms, causes, treatment of decreased production of tears.
