Free Opti-Free Contact Lense Solution Coupon for $2 Off August 31, 2015October 3, 2014 by SampleStuff This is a great coupon for contact solution for those of you who wear contacts. You can get a Free Opti-Free Contact Lense Solution Coupon for $2 off your next purchase of Opti-Free with the exclusive HydraGlide Moisture Matrix.