Removes protein deposits and reduces lipid deposition for silicone hydrogel and soft contact lenses. With hydraglyde moisture matrix. Hydraglyde moisture matris is a proprietary wetting agent in opti-free puremoist MPDS that provides comfort and moisture from insertion to removal. How it works: 1. In the lens case, hydraglyde moisture matrix embeds itself on and within the lens surface to provide moist and hydrating lenses throughout the day. 2. Hydraglyde moisture matrix provides a lubricating cushion of moisture for comfort from lens insertion to removal.