HYBRID CONTACT LENS, METHOD OF PRODUCING THE SAME, AND MOLD SET FOR PRODUCING THE SAME
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United States of America Patent
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Issued Date -
May 8, 2014
app pub date -
Apr 17, 2013
filing date -
Nov 2, 2012
priority date (Note) -
Abandoned
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Abstract
This invention provides a mold set for manufacturing a hybrid contact lens. The mold set comprises two types of upper molds and a lower mold; alternatively, the mold set comprises an upper mold and two types of lower molds. It is selectable to form the near-center region of a hybrid contact lens first and form the near-periphery region subsequently, or to form the near-periphery region first and the near-center region subsequently. This invention also provides a hybrid contact lens manufactured with any of said mold sets, comprising a first portion and a second portion which are disposed concentrically relative to a center of the hybrid contact lens and adhered to each other. The first portion and second portion are modeled to form a near-center region and a near-periphery region of the hybrid contact lens respectively, wherein the first portion has vision correction properties.
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