Lens surface roughening for tears invariant contact lens performance

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• 作者：Zeev Zalevsky ; Jonathan Azogui ; Ofer Limon ; Arkady Rudnitsky
• 关键词：Ophthalmic devices ; Contact lenses ; Rough surfaces
• 刊名：Optics Communications
• 出版年：15 March, 2014
• 年：2014
• 卷：315
• 期：Complete
• 页码：168-175
• 全文大小：6333 K

文摘

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.