Tranquileyes Moisture Release Eyewear is a revolutionary solution for millions suffering from mild to severe Dry Eye conditions. Moisture Release Eyewear incorporates an ingenious technology to help stabilize the tear film, improve visual acuity and ease symptoms of eye dryness, redness and fatigue. Naturally releases moisture over a 4-6 hours period to relieve dry eyes. Comfortable foam gaskets seals eyes and protects from the environment. Each pair of eyewear comes with two sets of replacement cartridges and a micofiber cleaning/storage bag.