MULTIFOCAL OPHTHALMIC LENSES AND PROCESSES FOR THEIR PRODUCTION
摘要
The invention provides lenses that have zones of more than one optical power, or focal length, and a smooth transition between the zones of differing power.
申请公布号
EP1200869(A1)
申请公布日期
2002.05.02
申请号
EP20000947068
申请日期
2000.07.06
申请人
JOHSON & JOHNSON VISION CARE INC.
发明人
ROFFMAN, JEFFREY, H.;ROSS, DENWOOD, F.;GUILLON, MICHEL
