PRODUCTION OF OPTHTHALMIC LENSES WITH PROTECTED MICROSTRUCTURES

PRODUCTION OF OPTHTHALMIC LENSES WITH PROTECTED MICROSTRUCTURES

A method for preparing ophthalmic lenses, which have a microstructure on at least one side, particularly a diffractive microstructure for colour fringe correction, wherein the invention provides in particular a method which substantially reduces any adverse effect on the microstructure by damage or...

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Hauptverfasser: MUELLER WERNER, BECK REINER, TRUMM STEPHAN, SCHUSTER HERBERT
Format: Patent
Sprache:eng
Schlagworte:
CONTACT LENSES
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
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creator MUELLER WERNER
BECK REINER
TRUMM STEPHAN
SCHUSTER HERBERT
description A method for preparing ophthalmic lenses, which have a microstructure on at least one side, particularly a diffractive microstructure for colour fringe correction, wherein the invention provides in particular a method which substantially reduces any adverse effect on the microstructure by damage or soiling during the manufacture of an ophthalmic lens and during the use thereof. Thus a method according to the invention for manufacturing an ophthalmic lens comprises provision of a microstructure on at least one first surface of an ophthalmic lens glass and application of at least one protective coating on the ophthalmic lens glass in such a manner that the protective coating at least partially covers the microstructure, wherein the protective coating has a refractive index which differs from the refractive index of the ophthalmic lens glass.
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subjects CONTACT LENSES
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
title PRODUCTION OF OPTHTHALMIC LENSES WITH PROTECTED MICROSTRUCTURES
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