Method of Preparing Wafers with Stretched Polymers for Wafer Thermoforming and Injection Molding Ophthalmic Lenses Comprising Said Wafer

    公开(公告)号:US20230161076A1

    公开(公告)日:2023-05-25

    申请号:US17801557

    申请日:2021-02-25

    CPC classification number: G02B1/043 G02B1/111 B29D11/0073

    Abstract: A method of forming an ophthalmic laminate lens, includes: forming a planar laminate (100) by adhering a first stretched polymer layer (115) to a first side of a thermoplastic elastomer layer (120), and adhering a second polymer layer (125) to a second side of the thermoplastic elastomer layer (120), the first stretched polymer layer (115) having a thickness greater than 250 μm, the second polymer layer (125) having a thickness greater than 250 μm, and the thermoplastic elastomer layer (120) having a thickness in a range of 15 μm to 150 μm; thermoforming the planar laminate (100) into a curved laminate (105), the curve laminate (105) having a pre-molding curvature; arranging the curved laminate(105) in a mold (145a); and molding, via the mold set (145a, 145b) at a predetermined temperature and a predetermined pressure, the curved laminate (105) with a polymer melt (140) into a curved lens, wherein a temperature of the polymer melt (140) is above a stretch temperature of the first stretched polymer layer (115).

    OPTICAL MICROSTRUCTURE-CONTAINING LAMINATE FOR OPHTHALMIC LENS INCORPORATION

    公开(公告)号:US20230148025A1

    公开(公告)日:2023-05-11

    申请号:US17918220

    申请日:2021-04-13

    CPC classification number: B29D11/00326 G02C2202/16

    Abstract: The present disclosure relates to a laminate, comprising a first film including a pattern of microstructures embossed on a first surface of thereof, each microstructure being arranged at a predetermined distance between adjacent microstructures, and a second film including structures arranged on a first surface thereof at positions corresponding to areas of the first surface of the first film defined by the predetermined distance, wherein when the second film is laminated to the first film, the structures arranged on the first surface of the second film are in contact with the areas of the first surface of the first film defined by the predetermined distance, a height of the structures is greater than a height of each microstructure, and a delta defined therebetween encapsulates a void fill material in at least a portion of at least one void defined by the delta.

    METHOD AND APPARATUS FOR MICROSTRUCTURED FILTERS IN LAMINATES FOR LIGHT ATTENUATION

    公开(公告)号:US20230146101A1

    公开(公告)日:2023-05-11

    申请号:US17918212

    申请日:2021-04-13

    Abstract: A laminate, includes: a first layer, a first material of the first layer having a first refractive index, the first layer including a first surface; a first microstructure layer including a first microstructure pattern formed on a first surface of the microstructure layer, a first microstructure material of the first microstructure layer having a first microstructure material refractive index, the first microstructure pattern having first repeating structures with a first predetermined periodicity, the microstructure layer being disposed on the first surface of the first layer; a second layer, a second material of the second layer having a second refractive index, the second layer being disposed adjacent to the first surface of the first microstructure layer; and a third layer, a third material of the third layer having a third refractive index, the third layer being disposed adjacent to the second layer on a side opposite the microstructure layer.

    Optical article and method of managing optical powers thereof

    公开(公告)号:US11635636B2

    公开(公告)日:2023-04-25

    申请号:US16618206

    申请日:2018-05-25

    Inventor: Bjorn Drobe

    Abstract: An optical article may include a frame, a first active lens arrangement coupled to the frame, and a second active lens arrangement coupled to the frame. The first active lens arrangement and the second active lens arrangement may be lined up abreast with respect to each other. Further, the optical article may include a time-based optical power adjustment mechanism coupled to the first active lens arrangement and the second active lens arrangement. The time-based optical power adjustment mechanism may be configured to vary the optical power of the first active lens arrangement and the second active lens arrangement in accordance with a predetermined adjustment.

    PREDICTING AN OPTICAL EQUIPMENT FOR A GIVEN PERSON

    公开(公告)号:US20230115374A1

    公开(公告)日:2023-04-13

    申请号:US17904065

    申请日:2021-02-11

    Abstract: A method for determining, for a given person, an optical equipment among a set comprising a plurality of optical equipments. The method further includes collecting a plurality of N reference datasets associated to at least one corresponding reference person and collecting a given dataset associated to the given person. Each dataset is indicative of a relative ranking of at least two optical equipments forming a reference subset of the set of optical equipments. The method further includes, based on the given dataset, selecting, among the plurality of N reference datasets, a group of R reference datasets, and predicting at least one optical equipment for the given person among the plurality of optical equipments.

    Optical lens
    78.
    发明授权

    公开(公告)号:US11598978B2

    公开(公告)日:2023-03-07

    申请号:US16756389

    申请日:2018-10-18

    Abstract: An optical lens intended to be placed before a wearer's eye and having a front surface and a rear surface, the rear surface being the surface intended to be the closest to the wearer's eye when the optical lens is placed before a wearer's eye, the optical lens having a mineral glass element on the front surface and further comprising an eye protector that is configured to prevent any piece of the mineral glass element from reaching the wearer's eye when the element is broken, said eye protector comprising a polymer wafer arranged on the rear surface.

    METHOD FOR DISPLAYING A SHARP IMAGE ON A RETINA OF AN EYE OF THE PERSON

    公开(公告)号:US20230057657A1

    公开(公告)日:2023-02-23

    申请号:US17760178

    申请日:2021-02-08

    Abstract: The invention relates to a method for displaying a sharp image on a retina of an eye of the person, the person having a prescription for the eye of the person, the method comprising: providing at least one optical parameter relative to the prescription for the eye of the person; providing a plurality of initial sub-images, each initial sub-image corresponding to at least a part of the image to be displayed; providing a plurality of light beams configured to be focused substantially in the plane of a pupil of the eye at a plurality of corresponding different positions, each light beam being configured to carry an associated sub-image; for each sub-image, adapting the sub-image based on the at least one provided optical parameter and on the corresponding focused position of the light beam configured to carry the sub-image to form an adapted sub-image; and displaying each adapted sub-image carried by the associated light beam on the retina of the person.

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