Air Optix Plus Hydraglyde Multifocal are monthly contact lenses from Alcon-Ciba. They are made of breathable material, which allows the oxygen of the environment to flow continuously through the lens for clear, white and healthy eyes. Air Optix Plus Hydraglyde Multifocal contact lenses feature a combination of two advanced technologies, Smartshield Technology and HydraGlyde Moisture Matrix, in order to provide excellent protection against deposits and to support the extended humidity of the lens surface. Contact lenses have a light blue color for easy handling. Note: Low ADD up to + 1.25D, Medium ADD from +1.50D up to +2.00D, High ADD from +2.25D up to +2.50D.