Nutrifill is a preservative free contact lens insertion solution designed for scleral lens wearers and the wearers of hybrid and gas permeable contact lenses. It has been physiologically formulated to mimic your body’s natural tears with five natural electrolytes, a pH of 7.4 and osmolality of 300. Nutrifill may also be used for rinsing debris and lens cleaners from rigid gas permeable and hybrid lenses