MULTIFOCAL DIFFRACTIVE SILICONE HYDROGEL CONTACT LENSES

The invention provides a delamination-resistant embedded silicone hydrogel contact lens having an insert that is embedded in a silicone hydrogel bulk material. The insert is made of a crosslinked polymeric material having a refractive index higher than that of the silicone hydrogel bulk material by...

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Main Authors BORJA, David, SNIADY, Adam K, BASSAMPOUR, Zahra, PI, Ying, ZHANG, Steve Yun, MOY, Thomas M, KOLLURU, Chandana, LINDACHER, Joseph Michael, CHANG, Frank
Format Patent
LanguageEnglish
Published 09.11.2023
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Abstract The invention provides a delamination-resistant embedded silicone hydrogel contact lens having an insert that is embedded in a silicone hydrogel bulk material. The insert is made of a crosslinked polymeric material having a refractive index higher than that of the silicone hydrogel bulk material by at least 0.07 and comprises a diffractive structure disposed on one of the front and back curve surfaces of the insert for providing a diffractive power that contributes to the overall optical power of the contact lens.
AbstractList The invention provides a delamination-resistant embedded silicone hydrogel contact lens having an insert that is embedded in a silicone hydrogel bulk material. The insert is made of a crosslinked polymeric material having a refractive index higher than that of the silicone hydrogel bulk material by at least 0.07 and comprises a diffractive structure disposed on one of the front and back curve surfaces of the insert for providing a diffractive power that contributes to the overall optical power of the contact lens.
Author MOY, Thomas M
LINDACHER, Joseph Michael
ZHANG, Steve Yun
PI, Ying
BORJA, David
BASSAMPOUR, Zahra
SNIADY, Adam K
CHANG, Frank
KOLLURU, Chandana
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– fullname: PI, Ying
– fullname: ZHANG, Steve Yun
– fullname: MOY, Thomas M
– fullname: KOLLURU, Chandana
– fullname: LINDACHER, Joseph Michael
– fullname: CHANG, Frank
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Snippet The invention provides a delamination-resistant embedded silicone hydrogel contact lens having an insert that is embedded in a silicone hydrogel bulk material....
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SubjectTerms OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
Title MULTIFOCAL DIFFRACTIVE SILICONE HYDROGEL CONTACT LENSES
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