Profile: Richardson Limited supplies rigid, gas permeable contact lens.
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| • Contact Lens (FDA Code: HQD / 886.5916) A rigid gas permeable contact lens is a device intended to be worn directly against the cornea of the eye to correct vision conditions. The device is made of various materials, such as cellulose acetate butyrate, polyacrylate-silicone, or silicone elastomers, whose main polymer molecules generally do not absorb or attract water. |