For soft and RGP contact lenses. Helps remove protein and prevent buildup during lens wear. Sterile. Helps keep lenses clean while you wear them. Over the course of the day, a film of protein and other material can build up on your contact lenses, irritating your eyes and clouding your vision. This is especially true with today's extended wear lenses. Complete Blink-N-Clean Lens Drops do more than just rewet lenses. A few drops of the exclusive dual-cleansing formula gently removes debris and material that can cause irritation and discomfort. It helps remove protein build-up to keep your lenses as fresh as they can be and your vision remains clear. Just a few drops of Complete Blink-N-Clean Lens Drops, actually helps remove and prevent protein buildup. Complete Blink-N-Clean Lens Drops are doctor recommended for use with soft and RGP contact lenses. This preparation contains no chlorhexidine, no thimerosal and no other mercury containing ingredients. Made in Spain.