Refresh Plus® Lubricant Eye Drops instantly moisturizes and relieves dry, irritated eyes with a fast-acting, long-lasting formula for sensitive eyes that has many of the same healthy qualities as your own natural tears. Demonstrated to improve dry eye when used after LASIK. Make your dry eyes feel better with the drops doctors recommend. What Can Cause Dry Eye? Heat and air conditioning; Computer use or reading; Wind and sun; Certain medications; Natural aging process; LASIK procedures. Refresh Plus® drops come in preservative-free single-use vials and are safe to use as often as needed, so your eyes can feel good--anytime, anywhere.