| 摘要 |
PURPOSE: A contact lens including nano silver is provided to perform an antibacterial function, a disinfectant function, and an Ag ion emission function by adding a process for mixing nano silver powders or Ag solution to an intermediate process or a last process of contact lens fabrication processes. CONSTITUTION: A process for mixing nano silver powders or Ag solution is added to an intermediate process or a last process of contact lens fabrication processes. The nano silver powders or the Ag solution of 0.01 to 5 weight percent is mixed with plastic resin, acrylic resin, rubber, and silicon. A nano silver coating layer(700) is formed on an inner face or an outer face of a contact lens(100).
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