This invention provides a contact lens comprising a front surface, a back surface, and an identifying mark, wherein said identifying mark comprises one or more holes depressed into at least one of said surfaces of said lens.
申请公布号
CA2267590(A1)
申请公布日期
1999.09.30
申请号
CA19992267590
申请日期
1999.03.29
申请人
JOHNSON & JOHNSON VISION PRODUCTS, INC.
发明人
WU, JONGLIANG;WALKER, JON SCOTT;CHEHAB, KHALED A.;CROWE, CARL G.;LUST, VICTOR;POLING, TIMOTHY R.;NASON, RICHARD J.
