AIR OPTIX plus HydraGlyde contact lenses deliver comfort all month long thanks to SmartShield® Technology and HydraGlyde® Moisture Matrix. SmartShield® shields against deposits collecting on the surface of the lens, while HydraGlyde® helps maintain surface moisture all day. 
Important information for AIR OPTIX® plus HydraGlyde® (lotrafilcon B) contact lenses: For daily wear or extended wear up to 6 nights for near/far-sightedness. Risk of serious eye problems (i.e., corneal ulcer) is greater for extended wear. In rare cases, loss of vision may result. Side effects like discomfort, mild burning or stinging may occur.