发明名称 |
LENS FOR INTRAOCULAR OBSERVATION AND CONTACT LENS FOR VITREOUS OPERATION |
摘要 |
<p>A contact lens for vitreous operation that is highly durable to washing, various disinfectants, sterilizing high-pressure steam, etc., and that in visible light region, exerts an excellent antireflection effect. There is provided contact lens (10) for vitreous operation for use to observe the ocular fundus (3) at vitreous operation, characterized in that lens body (11) at its upper surface (13) is coated with antireflection film (14) by ion beam sputtering technique, the antireflection film being a multilayer film composed of, alternately superimposed, high refractive index layers (18) of tantalum pentoxide (Ta<sub</p> |
申请公布号 |
WO2006038501(A1) |
申请公布日期 |
2006.04.13 |
申请号 |
WO2005JP17802 |
申请日期 |
2005.09.28 |
申请人 |
HOYA CORPORATION;FUTAMURA, HIDEYUKI;KADONOSONO, KAZUAKI |
发明人 |
FUTAMURA, HIDEYUKI;KADONOSONO, KAZUAKI |
分类号 |
A61B3/13;A61F2/16;A61F9/007;G02B1/11;G02C7/04;G02C13/00 |
主分类号 |
A61B3/13 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|