发明名称 |
Glass multifocal ophthalmic lens with polarizing element and method of making |
摘要 |
The present invention includes a glass multifocal light polarizing ophthalmic lens having a glass multifocal lens portion with a multifocal element fused to a convex outer surface of the multifocal lens portion, a single vision lens portion opposing the multifocal lens portion and a polarizing film sandwiched between the multifocal lens portion and the single vision lens portion. The present invention also includes a method for making the glass multifocal light polarizing ophthalmic lens.
|
申请公布号 |
US5351100(A) |
申请公布日期 |
1994.09.27 |
申请号 |
US19920987737 |
申请日期 |
1992.12.09 |
申请人 |
BMC INDUSTRIES, INC. |
发明人 |
SCHWENZFEIER, RAY D.;HANSON, DONALD W. |
分类号 |
G02C7/06;G02C7/12;(IPC1-7):G02C7/06 |
主分类号 |
G02C7/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|