# US 9,753,193 B2 · Methods and apparatus for human vision correction using diffractive waveplate lenses > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,753,193 B2 - Document ID: US9753193B2 - Status: Granted - Kind: B2 - Application number: 14/688,540 - Filed: 2015-04-16 - Published: 2015-10-22 - Granted: 2017-09-05 - Earliest claimed: 2014-04-16 - Assignees: Beam Engineering for Advanced Measurements Co. - Applicants: Beam Engineering for Advanced Measurements Co. - Inventors: Nelson V. Tabirian; Anna Tabirian; David E. Roberts - Web page: https://patentgrep.com/patent/US9753193B2 ## CPC - G02B 5/1833: {comprising birefringent materials (birefringent elements per se G02B5/3083)} - A61F 2/1618: {Multifocal lenses} - A61F 2/1654: {Diffractive lenses} - G02B 3/0081: {having one or more elements with analytic function to create variable power (variable magnification in general G02B15/00)} - G02B 3/10: Bifocal lenses; Multifocal lenses - G02B 5/001: {Axicons, waxicons, reflaxicons} - G02B 5/1828: {having means for producing variable diffraction (controlling the direction of light by means of one or more diffracting elements G02B26/0808; acousto-optical elements G02F1/11, G02F1/33; electro- or magneto-optical diffraction G02F1/292, G02F1/2955)} - G02B 5/3083: {Birefringent or phase retarding elements (G02B5/3008, G02B5/3016 take precedence; systems for polarisation control G02B27/286; manufacturing phase modulating patterns by lithographic processes G03F7/001)} - G02B 6/024: with polarisation maintaining properties - G02B 6/3534: {the optical element being diffractive, i.e. a grating} - G02B 6/3592: {Means for removing polarization dependence of the switching means, i.e. polarization insensitive switching (light guides coupling with polarization selective and adjusting means G02B6/27)} - G02B 27/4205: {having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant} - G02B 27/4211: {correcting chromatic aberrations (G02B27/0056, G02B27/4222, G02B27/4227 take precedence)} - G02B 27/4216: {correcting geometrical aberrations} - G02B 27/4261: {having a diffractive element with major polarization dependent properties} - G02C 7/022: {Ophthalmic lenses having special refractive features achieved by special materials or material structures (G02C7/049 takes precedence)} - G02C 7/061: {Spectacle lenses with progressively varying focal power} - G02C 7/086: {Auxiliary lenses located directly on a main spectacle lens or in the immediate vicinity of main spectacles} - G02C 7/12: Polarisers - G02C 7/10: Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses - G02C 2202/16: Laminated or compound lenses - G02C 2202/20: Diffractive and Fresnel lenses or lens portions - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) - G02C: SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES (trial frames for testing the eyes A61B3/04; goggles or eyeshields not having the same features as spectacles A61F9/00) ## Abstract Lenses, devices, apparatus, systems, methods of manufacturing and fabricating an ophthalmic lens device for correction of human vision. The ophthalmic lens device includes at least one diffractive waveplate coating with an optical axis orientation pattern designed to correct the vision of individual patients. The ophthalmic lens device including diffractive waveplate coating may also provide a portion of the required vision correction by means of refraction of light by curved surfaces of a dielectric material. ## Claims ### Claim 1 An ophthalmic lens device comprising: a diffractive waveplate polymerized liquid crystal coating that simultaneously focuses right-hand circularly polarized light and defocuses left hand circularly polarized light, or that simultaneously focuses left-hand circularly polarized light and defocuses right-hand circularly polarized light; a substrate on which the diffractive waveplate coating is deposited or contained within as a diffractive waveplate lens with a spatially changing optical axis orientation pattern; and a mechanical feature to securely position the ophthalmic lens device to be adapted to correct vision of a user's eye with the device, the ophthalmic lens device adapted to be not located on a surface of the user's eye. ### Claim 2 (depends on 1) The ophthalmic lens device of claim 1 further comprising: a layer for selecting light of one polarization. ### Claim 3 (depends on 2) The ophthalmic lens device of claim 2 further comprising: one or more layers for attenuating a brightness of a scene. ### Claim 4 (depends on 1) The ophthalmic lens device of claim 1 wherein a focal power of the diffractive waveplate lens varies progressively based on a viewing angle of a user. ### Claim 5 (depends on 1) The ophthalmic lens device of claim 1 wherein the differential focusing properties of the diffractive waveplate coating for light of different polarizations results in focused images for both near and far objects. ### Claim 6 (depends on 1) The ophthalmic lens device of claim 1 wherein the ophthalmic lens device is incorporated into an eyewear for use while swimming or underwater. ### Claim 7 (depends on 1) The ophthalmic lens device of claim 1 wherein the ophthalmic lens device is incorporated into an eyewear for use while skiing. ### Claim 8 (depends on 1) The ophthalmic lens device of claim 1 wherein the ophthalmic lens device is incorporated into an eyewear for protection of the eye from a ballistic projectile. ### Claim 9 An ophthalmic lens device comprising: one or more refractive surfaces that partially correct a user's vision defect; a diffractive waveplate polymerized liquid crystal coating that simultaneously focuses right-hand circularly polarized light and defocuses left-hand circularly polarized light, or that simultaneously focuses left-hand circularly polarized light and defocuses right-hand circularly polarized light, which are not corrected by the one or more refractive surfaces; a substrate on which the diffractive waveplate coating is deposited, or within which the diffractive coating is contained with a spatially changing optical axis orientation pattern; and a mechanical feature to securely position the ophthalmic lens device to be adapted to correct a user's vision, and is adapted to be not located on a surface of an eye. ### Claim 10 (depends on 9) The ophthalmic lens device of claim 9 further comprising: a layer for selecting light of a polarization. ### Claim 11 (depends on 10) The ophthalmic lens device of claim 10 further comprising: one or more layers for attenuating a brightness of a scene. ### Claim 12 (depends on 9) The ophthalmic lens device of claim 9 wherein the diffractive waveplate lens is incorporated into an eyewear for use while swimming or underwater. ### Claim 13 (depends on 9) The ophthalmic lens device of claim 9 wherein the diffractive waveplate lens is incorporated into an eyewear for use while skiing. ### Claim 14 (depends on 9) The ophthalmic lens device of claim 9 wherein the ophthalmic lens device is incorporated into an eyewear for protection of the eye from a ballistic projectile. ### Claim 15 (depends on 1) The ophthalmic lens device of claim 1, wherein the diffractive waveplate coating includes a differential focusing effect, wherein the left hand circularly polarized light from a distant object is adapted to be brought into focus on a retina of the user's eye, while the right hand circularly polarized light is adapted to be brought into focus in front the retina of the user's eye. ### Claim 16 (depends on 9) The ophthalmic lens device of claim 9, wherein the diffractive waveplate coating includes a differential focusing effect, wherein the left hand circularly polarized light from a distant object is adapted to be brought into focus on a retina of the user's eye, while the right hand circularly polarized light is adapted to be brought into focus in front the retina of the user's eye. ### Claim 17 An ophthalmic lens device comprising: a diffractive waveplate polymerized liquid crystal coating that focuses right-hand circularly polarized light and defocuses left hand circularly polarized light, or that simultaneously focuses left-hand circularly polarized light and defocuses right-hand circularly polarized light; a substrate on which the diffractive waveplate coating is deposited or contained within as a diffractive waveplate lens with a spatially changing optical axis orientation pattern; and a mechanical implant adapted to securely position the ophthalmic lens device within a user's eye to be adapted to correct vision of a user's eye with the device, the ophthalmic lens device adapted to be not located on a surface of the user's eye. ### Claim 18 (depends on 17) The ophthalmic lens device of claim 17, wherein the diffractive waveplate coating includes a differential focusing effect, wherein both left hand circularly polarized light from a distant object and right hand circularly polarized light from a near object are adapted to be brought into focus on a retina of the user's eye, thereby providing a dual-focus image on the user's retina with one image for near objects and one image for far objects.