For the temporary relief of burning, irritation, and discomfort due to dryness of the eye or due to exposure to wind or sun. May be used as a protectant against further irritation. For mild to moderate dry eye, REFRESH TEARS Lubricant Eye Drops restores the moisture your eyes crave with a special formula that has many of the same healthy qualities as your own natural tears. What Can Cause Dry Eye? Heating and air conditioning. Computer use and reading. Wind and sun. Certain medications. Natural aging process.