Dry Eye Syndrome (or Disease, DED) is a common, often chronic condition where tears aren't sufficient or stable enough to lubricate the eye's surface, causing irritation, burning, stinging, grittiness, redness, and blurred vision. It results from either insufficient tear production or poor-quality tears, leading to inflammation and potential damage to the eye's front surface, and can be managed with lifestyle changes and treatments like artificial tears, though it often requires ongoing care