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Nutrifill exists for one moment in the day: the point where a scleral, hybrid or gas permeable lens is filled before it goes on the eye. It was developed by Ralph P. Stone, PhD, around the idea that the fluid sitting under a lens all day should look more like tears than like plain salt water. The solution is preservative free and carries ions found in natural tears, including sodium, potassium, calcium and magnesium.
One item, the Nutrifill Preservative Free Insertion Saline, packed in 35 single use vials.
Insertion saline is not a cleaner, a disinfecting solution, or a storage solution. It is the fluid that fills the bowl of the lens. A scleral lens vaults over the cornea and holds that fluid in place for as long as you wear it, so whatever you fill it with stays against the eye for hours. That is the reason preservative free single use vials are the norm for filling, and why a bottle intended for rinsing is not an equivalent swap.
Compare Nutrifill with ScleralFil, the other preservative free saline we carry. Both are preservative free and both come in single use vials, so the practical differences are formulation and pack size: Nutrifill ships 35 vials and includes the tear like ions described above.
The practitioner who fit your lenses is the person to ask about which solution to use with them. Fitting details and lens material can both influence the answer, and they will already know what you are wearing.
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