Original strength, preservative-free formula Relieves mild symptoms of eye dryness Instantly moisturizes and lubricates Designed to act like your own natural tears Great for sensitive eyes Value size! 70 on-the go, single-use vials Can be used after LASIK or other eye surgeries. Follow your eye doctor's instructions if you are using REFRESH® RELIEVA™ PF after an eye surgery (e.g., LASIK) to relieve dryness and discomfort. The #1 selling brand in preservative-free artificial tears.* *REFRESH Family of Products, Ipsos Healthcare, 2021 REFRESH ECP Recommendation Survey. Original strength Instantly moisturizes and lubricates #1 selling brand in preservative-free artificial tears Relieves mild symptoms of eye dryness