Segmented delta toric lens
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United States of America Patent
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Dec 11, 2012
Grant Date -
Aug 2, 2012
app pub date -
Jan 27, 2011
filing date -
Jan 27, 2011
priority date (Note) -
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Abstract
A segmented delta toric lens is described. The segmented delta toric lens includes an optical area, a circumference area surrounding the optical area and a segmented delta protrusion formed on the circumference area. The segmented delta protrusion is located apart from the optical area and the edge of the circumference area. The segmented delta toric lens can further include a mark to indicate a direction of the segmented delta toric lens.
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