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:
Jun. 06, 1995
Filed:
Mar. 28, 1994
Kyoichi Tanaka, Nagoya, JP;
Naoki Anan, Inuyama, JP;
Shingo Hibino, Kani, JP;
Yoshikazu Miura, Fresno, CA (US);
Tadashi Sawano, Aichi, JP;
Kenichi Ishihara, Kasugai, JP;
Hiroyuki Oyama, Kakamigahara, JP;
Menicon Co., Ltd., , JP;
Abstract
A presbyopia correction contact lens to be used in contact with a cornea of an eye of a wearer, the contact lens having a substantially circular central correction region and an annular outer correction region which surrounds the central correction region, the central and outer correction regions providing one and the other of a near vision correction region and a distance vision correction region, respectively, wherein the central correction region has a center which is offset by a distance of 0.2 mm-2.4 mm from a geometric center of the contact lens toward a side portion of the lens, which side portion is to be located on the side of the nose of the wearer when the contact lens is used in contact with the cornea, and the central correction region has a diameter within a range of 0.8 mm-3.5 mm.