AN OPHTHALMIC LENS FOR IMPROVING VISION
This ophthalmic lens for improving vision has a light cut factor CutLED between 32% and 90%, for wavelengths ranging from 380 nm to 500 nm, defined by formula (I), where Σ is a discrete or continuous sum operator, λ is the wavelength in nm, lens T % is the spectral transmittance of the lens in % and...
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| creator | MARCK, Christelle POLETTO, Elise FRENCH, Elliot BARRAU, Coralie DUMONT, Jean-Philippe JACQUEMIN, Valérie ROBIN, Céline |
| description | This ophthalmic lens for improving vision has a light cut factor CutLED between 32% and 90%, for wavelengths ranging from 380 nm to 500 nm, defined by formula (I), where Σ is a discrete or continuous sum operator, λ is the wavelength in nm, lens T % is the spectral transmittance of the lens in % and LED emission is the spectral distribution of a white light emitting diode; a mean luminous transmittance in the visible range higher than or equal to 75%; and light transmitted through the ophthalmic lens has a colorimetric value b*, as defined in the colorimetric CIE L*a*b* with illuminant D65, lower than 25. |
| format | Patent |
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a mean luminous transmittance in the visible range higher than or equal to 75%; and light transmitted through the ophthalmic lens has a colorimetric value b*, as defined in the colorimetric CIE L*a*b* with illuminant D65, lower than 25.</description><language>eng ; fre ; ger</language><subject>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</subject><creationdate>2021</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210804&DB=EPODOC&CC=EP&NR=3857297A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210804&DB=EPODOC&CC=EP&NR=3857297A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MARCK, Christelle</creatorcontrib><creatorcontrib>POLETTO, Elise</creatorcontrib><creatorcontrib>FRENCH, Elliot</creatorcontrib><creatorcontrib>BARRAU, Coralie</creatorcontrib><creatorcontrib>DUMONT, Jean-Philippe</creatorcontrib><creatorcontrib>JACQUEMIN, Valérie</creatorcontrib><creatorcontrib>ROBIN, Céline</creatorcontrib><title>AN OPHTHALMIC LENS FOR IMPROVING VISION</title><description>This ophthalmic lens for improving vision has a light cut factor CutLED between 32% and 90%, for wavelengths ranging from 380 nm to 500 nm, defined by formula (I), where Σ is a discrete or continuous sum operator, λ is the wavelength in nm, lens T % is the spectral transmittance of the lens in % and LED emission is the spectral distribution of a white light emitting diode; 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POLETTO, Elise ; FRENCH, Elliot ; BARRAU, Coralie ; DUMONT, Jean-Philippe ; JACQUEMIN, Valérie ; ROBIN, Céline</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3857297A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2021</creationdate><topic>CONTACT LENSES</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE</topic><topic>SPECTACLES</topic><topic>SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES</topic><topic>TRANSPORTING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>MARCK, Christelle</creatorcontrib><creatorcontrib>POLETTO, Elise</creatorcontrib><creatorcontrib>FRENCH, Elliot</creatorcontrib><creatorcontrib>BARRAU, Coralie</creatorcontrib><creatorcontrib>DUMONT, Jean-Philippe</creatorcontrib><creatorcontrib>JACQUEMIN, Valérie</creatorcontrib><creatorcontrib>ROBIN, Céline</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MARCK, Christelle</au><au>POLETTO, Elise</au><au>FRENCH, Elliot</au><au>BARRAU, Coralie</au><au>DUMONT, Jean-Philippe</au><au>JACQUEMIN, Valérie</au><au>ROBIN, Céline</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>AN OPHTHALMIC LENS FOR IMPROVING VISION</title><date>2021-08-04</date><risdate>2021</risdate><abstract>This ophthalmic lens for improving vision has a light cut factor CutLED between 32% and 90%, for wavelengths ranging from 380 nm to 500 nm, defined by formula (I), where Σ is a discrete or continuous sum operator, λ is the wavelength in nm, lens T % is the spectral transmittance of the lens in % and LED emission is the spectral distribution of a white light emitting diode; a mean luminous transmittance in the visible range higher than or equal to 75%; and light transmitted through the ophthalmic lens has a colorimetric value b*, as defined in the colorimetric CIE L*a*b* with illuminant D65, lower than 25.</abstract><oa>free_for_read</oa></addata></record> |
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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 | AN OPHTHALMIC LENS FOR IMPROVING VISION |
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