Lens surface roughening for tears invariant contact lens performance

被引：0
|
作者：
Zalevsky, Zeev [1 ]
Azogui, Jonathan [1 ]
Limon, Ofer [2 ]
Rudnitsky, Arkady [1 ]
机构：
[1] Bar Ilan Univ, Fac Engn, IL-52900 Ramat Gan, Israel
[2] Xceed Imaging Ltd, Petah Tiqwa, Israel
来源：
OPTICS COMMUNICATIONS | 2014年 / 315卷
关键词：
Ophthalmic devices; Contact lenses; Rough surfaces; BINARY; PRESBYOPIA; DEPTH;
D O I：
10.1016/j.optcom.2013.10.089
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In many extended depth of focus diffractive or interferometry based ophthalmic contact lenses the time varied tears layers affect the ophthalmic functionality of the lens. In this paper we present a new approach involving nano pillars realized inside the grooves of a contact lens aiming to implement any type of extended depth of focus or diffractive optical element for ophthalmic applications in order to solve the micro fluidics layer uncertainty within the micro sag features. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：168 / 175
页数：8
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