Spectacle lens and spectacles

Details Spectacle lens and spectacles Spectacle lens and spectacles

2006-05-30

2008-11-04

Collins, Darryl J (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

Reexamination Certificate

active

07445333

ABSTRACT:
A spectacle lens having an aspherical surface on its one of front and back surfaces is provided. An outward normal line normal to the front surface at a centration point inclines with respect to an axis passing through the centration point and a center of rotation of an eye. A cross section of the aspherical surface defined by a plane including the outward normal line and the axis is asymmetrical.

REFERENCES:
patent: 5353072 (1994-10-01), Tejima et al.
patent: 5774201 (1998-06-01), Tackles
patent: 6056399 (2000-05-01), Jannard et al.
patent: 6056401 (2000-05-01), Shirayanagi
patent: 6334681 (2002-01-01), Perrott et al.
patent: 6361166 (2002-03-01), Perrott et al.
patent: 6454408 (2002-09-01), Morris et al.
patent: 6789895 (2004-09-01), Shirayanagi
patent: 6796653 (2004-09-01), Shirayanagi
patent: 6994435 (2006-02-01), Shirayanagi
patent: 2003/0169398 (2003-09-01), Porrott et al.
patent: 2005/0007547 (2005-01-01), Jones
patent: 2005/0179859 (2005-08-01), Perrott et al.
patent: 2006/0007394 (2006-01-01), Shirayanagi
patent: 5-323185 (1993-12-01), None
patent: 2000-506628 (2000-05-01), None
English language abstract of JP 5-323185.

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