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The Crystal Tinted Soft Contact Lens is indicated for daily wear to enhance and/or alter the apparent eye color. Except for decreased light transmittance due to the tint intensity, the pretinted lens optical parameters remain the same as originally prescribed for the user prior to tinting. The lens may be disinfected using a chemical disinfection system only.

The CRYSTAL TINTED SOFT CONTACT LENSES are available in Aqua, Amber, Roval Blue, Sky Blue, Sapphire Blue, Emerald Green, Mint Green, Green, Light Yellow, Dark Yellow, Light Red, Dark Red, Brown, Black and Orange. They are available with or without tinted centers (pupillary area). The practitioner may also choose tint intensity and custom mix colors (via consultation with CRII). CRYSTAL TINTED SOFT CONTACT LENSES are color enhanced soft contact lenses that have been previously prescribed for a specific patient. They have been supplied to CRII by a certified supplier to be modified by a tinting process. This process uses color additives that have been supplied by a certified supplier and listed as safe for contact lenses containing hydroxyl groups in accordance with FDA color additive regulations. The color additives are used in amounts not to exceed the minimum reasonably required to accomplish the intended coloring effect. As part of the manufacturing process, the lenses containing the color additives are thoroughly washed to remove unbound reactive color additives. The manufacturing process alters and/or changes the specifications to the clear version of a contact lens by affixing a listed color reactive additive on that portion of the anterior (front) surface of the lens that corresponds to the iris. CRYSTAL TINTED SOFT CONTACT LENSES are tinted using certified Reactive dyes listed by the FDA as approved for use with contact lenses. The lens material is modified by permanently fixing tints to the polymer using the following color additives, either alone or in combination: Reactive Blue 19, Reactive Blue 21, Reactive Yellow 86, Reactive Black 5, Reactive Red 11, Reactive Blue 163, Reactive Orange 78, Reactive Yellow 15, and Reactive Red 180. The hydrophilic properties of the lens require that it be maintained in a fully hydrated state in a solution compatible with the eye. If the lens dries out, it will become hard and appear somewhat warped; however, it will return to its proper configuration when completely rehydrated in the proper storage solution.