Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Reexamination Certificate
2011-08-09
2011-08-09
Stultz, Jessica T (Department: 2873)
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
C351S161000, C351S164000, C351S177000
Reexamination Certificate
active
07992997
ABSTRACT:
An ophthalmic lens element is disclosed. The, ophthalmic lens element includes a central region of low surface astigmatism and a peripheral region. The central region includes an upper viewing zone for providing a first power suitable for a wearer's distance vision tasks. The peripheral region has a positive power relative to the first power, and surrounds the central region. The peripheral region provides an optical correction for retarding or arresting myopia for a wearer and includes one or more regions of relatively higher surface astigmatism, a lower or near viewing zone of low surface astigmatism, and a corridor of low surface astigmatism having a surface power varying from that of the upper viewing zone to that of the lower viewing zone. The lower viewing zone is for a wearer's near vision tasks.
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Buchanan & Ingersoll & Rooney PC
Carl Zeiss Vision Australia Holdings Limited
Stultz Jessica T
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