发明名称 Multifocal ophthalmic lens with reduced halo size
摘要 Ophthalmic lenses, for example, intraocular lenses, contact lenses, corneal implant lenses and the like, have multifocal characteristics which provide beneficial reductions in at least the perception of one or more night time visual symptoms such as "halos", and "glare or flare".
申请公布号 US6435681(B2) 申请公布日期 2002.08.20
申请号 US20010758850 申请日期 2001.01.11
申请人 PORTNEY VALDEMAR 发明人 PORTNEY VALDEMAR
分类号 G02C7/06;A61F2/14;A61F2/16;G02C7/04;(IPC1-7):G02C7/04 主分类号 G02C7/06
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