Patents

Composition Reversibly Dyes Contact Lens

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By: TOM BRANNA

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US Patent No. 8,702,816 B2; Michael D. Conte of Fort Worth, TX has patented a method to create a reversibly dyed hydrogel or silicon hydrogel substrate/soft contact lens. A hydrogel or silicon hydrogel substrate (a soft contact lens) is immersed in a saline solution, wherein the substrate has a non-dyed appearance; a dye is added to the solution, producing a combination solution; the hydrogel or silicon hydrogel substrate/soft contact lens remains in the combination solution for an amount of tim...

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