PURPOSE: A method of dyeing a contact lens is provided to stabilize a black natural dye and a mordant solution by immersing a black contact lens in distilled water. CONSTITUTION: A connective tissue of a contact lens is relaxed. Red, yellow, and blue natural dyes are manufactured. A black natural dye is manufactured by mixing the red, yellow, and blue natural dyes. A mordant solution is manufactured by mixing distilled water and a mordant. The contact lens is dyed with the black natural dye(21). A black contact lens(2) is cleaned with distilled water for a first time. The black contact lens is mordanted with the mordant solution. The black contact lens is cleaned with distilled water for a second time. The black contact lens is stabilized.
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