Sandwich colored hydrogel contact lenses

Sandwich colored hydrogel contact lenses

The invention is directed to a sandwich colored hydrogel contact lenses lens, comprising: a pupil section, a generally annular iris section surrounding the pupil section, wherein the iris section having at least one colored, printed, opaque, intermittent pattern, wherein the said pattern is covered...

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Hauptverfasser: TUCKER, ROBERT CAREY, OYLER, PAUL WILLIAM, LANG, WEIHONG, VARDE, PUSHKAR S
Format: Patent
Sprache:chi ; eng
Schlagworte:
CONTACT LENSES
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PERFORMING OPERATIONS
PHYSICS
PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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creator TUCKER, ROBERT CAREY
OYLER, PAUL WILLIAM
LANG, WEIHONG
VARDE, PUSHKAR S
description The invention is directed to a sandwich colored hydrogel contact lenses lens, comprising: a pupil section, a generally annular iris section surrounding the pupil section, wherein the iris section having at least one colored, printed, opaque, intermittent pattern, wherein the said pattern is covered by a clear donut shape-layer layer, wherein the clear donut shape-layer layer is on inner surface of lens to the observer and has a thickness at least 25 [mu]m. And the method make such lenses using a common polypropylene base curve (BC Mold 1) and two different front curve molds (FC Mold 1, FC Mold 2) that provided different volume gaps to accommodate the size requirements of the two layers.
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language chi ; eng
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subjects CONTACT LENSES
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PERFORMING OPERATIONS
PHYSICS
PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
title Sandwich colored hydrogel contact lenses
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