The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 12, 2006
Filed:
Mar. 25, 2003
Yuuji Gotou, Komaki, JP;
Kunio Maruyama, Nagoya, JP;
Yuuji Gotou, Komaki, JP;
Kunio Maruyama, Nagoya, JP;
Menicon Co., Ltd., Nagoya, JP;
Abstract
It is an object of the invention to ensure in a series of contact lenses composed of an assorted plurality of contact lenses having mutually different optical characteristics such as refractive power or the like that each contact lens is capable of exhibiting advantageously and consistently a good wear comfort and tear fluid exchange. In order to attain the object, the present invention arranges each contact lens 10, 10, 10making up the series contact lens designed and having mutually different optical characteristics in the optical zone, such that not only is a shape of the lens back surfaceof the optical zoneidentified, but a shape of the peripheral zoneis identified at least the outer peripheral zonethat contributes to wear comfort and tear fluid exchange.