BioTrue Contact Lens Solution works like your eyes to provide you with the health and comfort your eyes deserve, helping you to make lens wear easier on your eyes. They claim that BioTrue keeps your contacts moist for up to 20 hours, provides superior disinfection and it matches the pH of healthy tears. To get the $2 coupon for this product all you have to do is go on their page and click on "Try It". Then, submit your email to them. They will send you the coupon in your email! Once you have tried their product, don't forget to give your feedback by clicking on "Love It" and "Tell us".