These Celena contact lenses are a part of the recently launched Shaded Collection. It is appropriate for both daytime and evening wear, with a stunning grey hue that envelops a splash of green that highlights the eye features. Curvature of the lens base: 8.6 38% water content 14.5 mm in diameter Duration of Use: Three Months Note: Two pairs of non-prescription cosmetic lenses are included in each pack. One prescription lens per degree is included in each prescription lens pack.