https://pressroom.prlog.org/prec21/ About prEC21 - Lucid Korea is a venture contact lens manufacturer founded in 1996 by the executive team with more than 30 years' knowledge in the optical field. https://www.prlog.org/10120380-the-innovative-eye-sight-correcting-lens-lk-lens-of-lucid-korea.html An excellent improvement in eye sight was seen in the clinical trial. Wear the lens at night. And when you remove it in the morning you will have a normal sight during day time.Tue, 23 Sep 2008 08:42:53 GMT