| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 351159030 | Electro-active | 37 |
| 20120092613 | POLARIZATION-SENSITIVE VISUAL PROSTHESIS - A vision prosthesis includes a first detector disposed to detect a polarization state of light reflected from a retina, and a controller in communication with the first detector. The controller is configured to receive, from the detector, a measurement signal indicative of the polarization state. In response thereto, the controller generates a control signal for causing a change to an optical property of an optical system in optical communication with the retina. | 04-19-2012 |
| 20120154739 | Curable Adhesive Compositions - Curable adhesive compositions comprising a urethane pre-polymer are provided that exhibit a high refractive index. | 06-21-2012 |
| 20120162600 | ENERGIZED OPHTHALMIC LENS INCLUDING STACKED INTEGRATED COMPONENTS - This invention discloses methods and apparatus for providing an ophthalmic lens with a stacked integrated component device for function. In some embodiments, the stacked integrated component device may contain an energy source capable of powering an electrical component incorporated into the lens. | 06-28-2012 |
| 20120206691 | DYNAMIC MULTIFOCAL CONTACT LENS - An dynamic multiple focus contact lens has at least one transparent layer with a first annular electromagnet and a second annular electromagnet, a transparent pupil allowing passage of light through the at least one layer, at least one loop antenna in communication with the electromagnets, and a transmitter for activating the electromagnets. The at least one layer has a first shape similar to a circular segment that follows the surface of the cornea. The first shape has a first focal length, or power. Upon initiation by a user, a transmitter sends a signal to the loop antenna which energizes the electromagnets to mutually attract causing the at least one layer to deflect and the central portion of the first layer to deform outwardly forming the layer into a second shape. The second shape has a second power, stronger than the first shape. | 08-16-2012 |
| 20120281181 | INTERFACE USING EYE TRACKING CONTACT LENSES - Methods of eye gaze tracking are provided using magnetized contact lenses tracked by magnetic sensors and/or reflecting contact lenses tracked by video-based sensors. Tracking information of contact lenses from magnetic sensors and video-based sensors may be used to improve eye tracking and/or combined with other sensor data to improve accuracy. Furthermore, reflective contact lenses improve blink detection while eye gaze tracking is otherwise unimpeded by magnetized contact lenses. Additionally, contact lenses may be adapted for viewing 3D information. | 11-08-2012 |
| 20130194540 | OPHTHALMIC LENS ASSEMBLY HAVING AN INTEGRATED ANTENNA STRUCTURE - Antennas and antenna systems may be designed and configured for incorporation into mechanical devices, including medical devices, such as ophthalmic devices, including contact lenses. These antennas and antenna systems may be utilized to transmit data from the mechanical device to a receiver, to receive data from a transmitter, and/or to inductively charge an electromechanical cell or the like incorporated into the mechanical device. | 08-01-2013 |
| 20130222759 | METHODS AND APPARATUS TO FORM ELECTRONIC CIRCUITRY ON OPHTHALMIC DEVICES - This invention discloses an energized Ophthalmic Device with incorporated low energy consuming modes. In some embodiments, media inserts with incorporated low energy consuming modes are described. | 08-29-2013 |
| 20130222760 | METHODS OF MANUFACTURE AND USE OF ENERGIZED OPHTHALMIC DEVICES HAVING AN ELECTRICAL STORAGE MODE - This invention discloses methods of manufacture and use of an energized Ophthalmic Device with an incorporated Storage Mode for a power source, the method of manufacturing said device, and a method of activation that may restore the power source to an operational mode. | 08-29-2013 |
| 20130258275 | LENS DRIVER FOR VARIABLE-OPTIC ELECTRONIC OPHTHALMIC LENS - A lens driver or lens driver circuitry for an ophthalmic apparatus comprising an electronic system which actuates a variable-focus optic is disclosed herein. The lens driver is part of an electronic system incorporated into the ophthalmic apparatus. The electronic system includes one or more batteries or other power sources, power management circuitry, one or more sensors, clock generation circuitry, control algorithms and circuitry, and lens driver circuitry. The lens driver circuitry includes one or more power sources, one or more high voltage generators and one or more switching circuits. | 10-03-2013 |
| 20140002788 | METHODS AND APPARATUS TO FORM PRINTED BATTERIES ON OPHTHALMIC DEVICES | 01-02-2014 |
| 20140022505 | NEUROMUSCULAR SENSING FOR VARIABLE-OPTIC ELECTRONIC OPHTHALMIC LENS - A variable-optic powered or electronic ophthalmic lens may be utilized to augment the eye's natural ability to refract light or focus. The variable-optic powered lens comprises an electronic system that includes a power source, power management circuitry, clock generation circuitry, control algorithms and circuitry and lens driver circuitry. The ophthalmic lens may also comprise one or more sensors configured to detect ciliary muscle signals and adjust the optics of the lens accordingly. | 01-23-2014 |
| 20140085600 | FACILITATION OF TEMPERATURE COMPENSATION FOR CONTACT LENS SENSORS AND TEMPERATURE SENSING - Apparatus, systems and methods employing contact lens sensors are provided. In some aspects, a contact lens includes a substrate and a circuit. The circuit can include: one or more sensors disposed on or within the substrate, that sense a feature associated with a wearer of the contact lens; and a compensation circuit disposed on or within the substrate, coupled to the sensor(s) and that outputs information to adjust an output of the sensor(s). The compensation circuit can include: a temperature component that senses the temperature of the sensor(s); and a communication component that outputs information indicative of the temperature of the sensor(s), and receives information associated with adjusting the output of the sensor(s). In other aspects, a contact lens includes a circuit that senses the body temperature, or ambient temperature outside of the body, of the contact lens wearer. Sensor fusion and/or calibration can be performed based on the information. | 03-27-2014 |
| 20140085601 | CONTACT LENS HAVING A CHIP INTEGRATED INTO A POLYMER SUBSTRATE AND METHOD OF MANUFACTURE - Contact lenses and methods of manufacture are provided. In one aspect, a method includes: positioning components in predefined locations on a first surface; applying pressure on the components employing a second surface; providing molten material between the first surface and the second surface and around the components; embedding the components in a substrate by cooling the molten material and causing the molten material to harden, the substrate being a substantially solid form of molten material; and removing the first surface and the second surface after embedding the components in the substrate. The method can also include: providing, on or within a contact lens, one of the components and the substrate into which the component is embedded. The first surface can include molds sized to receive and maintain the components at the predefined locations. The first surface and/or the second surface can be pre-treated with a non-stick coating such as Polytetrafluoroethylene. | 03-27-2014 |
| 20140085602 | WEARABLE DEVICE - Apparatus, systems and methods employing a contact lens that generates information indicative of a hydration level of an eye in which the lens is worn, are provided. In some aspects, a contact lens includes a substrate that forms at least part of a body of the contact lens and a hydration component that generates information associated with a hydration level of an eye in which the contact lens is worn. | 03-27-2014 |
| 20140192315 | IN-SITU TEAR SAMPLE COLLECTION AND TESTING USING A CONTACT LENS - Apparatus, systems and methods employing contact lenses having one or more sensor that sense an analyte in tear fluid and one or more recesses that collect the tear fluid. In some aspects, a contact lens includes a substrate that forms at least part of a body of the contact lens and a recess formed within the substrate configured to collect tear fluid when the contact lens is worn. The contact lens further includes at least one sensor disposed within the substrate configured to sense presence of an analyte in the collected tear fluid. | 07-10-2014 |
| 20140232982 | DYNAMIC MULTIFOCAL CONTACT LENS DUAL LAYER WITH CORE - An dynamic multiple focus contact lens has two transparent layers, each with a first annular electromagnet and a second annular electromagnet, a transparent pupil allowing passage of light through the layers, a core between the two layers, at least one loop antenna in communication with the electromagnets, and a transmitter for activating the electromagnets. The layers have a first shape similar to a circular segment that follows the surface of the cornea. The first shape has a first focal length, or power. Upon initiation by a user, a transmitter signals the loop antenna which energizes the electromagnets to mutually attract causing the layers to deflect and the central portion of the first layer to deform outwardly forming the layer into a second shape. The second shape has a second power, stronger than the first shape. | 08-21-2014 |
| 20140240656 | ELECTRONIC OPHTHALMIC LENS WITH PUPIL CONVERGENCE SENSOR - A pupil position and convergence detection system for an ophthalmic lens comprising an electronic system is described herein. The pupil position and convergence detection system is part of an electronic system incorporated into the ophthalmic lens. The electronic system includes one or more batteries or other power sources, power management circuitry, one or more sensors, clock generation circuitry, control algorithms and circuitry, and lens driver circuitry. The pupil position and convergence detection system is utilized to determine pupil position and use this information to control various aspects of the ophthalmic lens. | 08-28-2014 |
| 20140240657 | ELECTRONIC OPHTHALMIC LENS WITH EMITTER-DETECTOR PAIR SENSOR - An emitter-detector pair sensor may be incorporated into a powered or electronic ophthalmic lens. The emitter-detector pair sensor may be configured to determine the distance from the sensor to an object in its path. Based upon this information, a system controller of the ophthalmic lens may output a signal to an actuator of the ophthalmic lens to control a variable power optic of the ophthalmic lens. | 08-28-2014 |
| 20140240658 | ELECTRONIC OPHTHALMIC LENS WITH MULTI-INPUT VOTING SCHEME - An electronic or powered ophthalmic lens includes one or more systems having one or more batteries or other power sources, power management circuitry, one or more sensors, clock generation circuitry, control algorithms and circuitry, and lens driver circuitry. These systems may change the state of the powered ophthalmic lens. In systems having one or more sensors, a decision making process is required to substantially reduce the possibility of changing the state of the powered ophthalmic lens based upon inaccurate, incomplete or erroneous information supplied by the sensors, changing physiologic conditions , as well as noise and/or interference from internal and external sources. | 08-28-2014 |
| 20140327875 | ADVANCED ELECTRO-ACTIVE OPTIC DEVICE - Ophthalmic lenses are described including an ophthalmic base, and a plurality of electro-active elements, such as dynamic micro-lenses or micro-prismatic apertures. Each electro-active element may be configured to dynamically change optical power. The ophthalmic lens may be configured such that an optical power of the ophthalmic lens focuses mostly one image at one time on the retina of the eye of the wearer. The ophthalmic lens may be, for example, a spectacle lens, other types of specialty lenses such as used for gaming and the like, a contact lens, an intra-ocular lens, and intra-ocular optic, etc. Each electro-active element may include liquid crystal, such as dichroic, non-dichroic, nematic, and/or cholesteric liquid crystal. The electro-active elements may comprise non-dichroic liquid crystal, and gaps between the electro-active elements may include a dichroic liquid crystal, or the electro-active elements may be shaped and arranged in a substantially conformal pattern. | 11-06-2014 |
| 20140333892 | OPHTHALMIC DEVICE WITH THIN FILM ANOCRYSTAL INTEGRATED CIRCUITS ON OPHTHALMIC DEVICES - This invention discloses methods and apparatus to form Thin Film Nanocrystal Integrated Circuit transistors upon Three-dimensionally Formed Insert Pieces. In some embodiments, the present invention includes incorporating the Three-dimensional Surfaces with Thin Film Nanocrystal Integrated Circuit based thin film transistors, electrical interconnects, and energization elements into an Insert Piece for incorporation into Ophthalmic Device. In some embodiments, the Insert Piece may be directly used as a Media Insert or incorporated into an Ophthalmic Device. | 11-13-2014 |
| 20140340632 | SYSTEM AND METHOD OF PROGRAMMING AN ENERGIZED OPHTHALMIC LENS - A method and a system for the selection and programming of an energized ophthalmic lens are disclosed. More specifically, the energized ophthalmic lens which can include a variable state arcuate shaped liquid meniscus lens capable of changing vision correction properties upon the receipt of an activation signal. According to some aspects of the disclosure, the system and method comprise vision simulation software configured to use patient's eye related data and product design options to select the ophthalmic lens and an operational protocol for the change of optical properties. | 11-20-2014 |
| 20150077699 | METHOD AND APPARATUS FOR OPHTHALMIC DEVICES INCLUDING GRADIENT-INDEXED LIQUID CRYSTAL LAYERS AND SHAPED DIELECTRIC LAYERS - This invention discloses methods and apparatus for providing a variable optic insert into an ophthalmic lens. A liquid crystal layer may be used to provide a variable optic function and in some embodiments, an alignment layer for the liquid crystal layer may be patterned in a radially dependent manner. The patterning may allow for the index of refraction of the optic device to vary in a gradient indexed or GRIN manner. At least a first layer of dielectric material that may vary in thickness at least across the optic zone of the device may aid in defining an electric field across the liquid crystal layer. An energy source is capable of powering the variable optic insert included within the ophthalmic lens. In some embodiments, an ophthalmic lens is cast-molded from a silicone hydrogel. The various ophthalmic lens entities may include electroactive liquid crystal layers to electrically control optical characteristics. | 03-19-2015 |
| 20150077700 | METHODS AND APPARATUS FOR OPHTHALMIC DEVICES INCLUDING CYCLOIDALLY ORIENTED LIQUID CRYSTAL LAYERS - This invention discloses methods and apparatus for providing a variable optic insert into an ophthalmic lens. A liquid crystal layer may be used to provide a variable optic function and in some examples, an alignment layer for the liquid crystal layer may be patterned in a cycloidally dependent manner. The patterning may allow for a polarization dependent lens in some examples. An energy source is capable of powering the variable optic insert included within the ophthalmic lens. In some examples, an ophthalmic lens is cast-molded from a silicone hydrogel. The various ophthalmic lens entities may include electroactive liquid crystal layers to electrically control optical characteristics. | 03-19-2015 |
| 20150146159 | METHODS FOR FORMATION OF AN OPHTHALMIC LENS WITH AN INSERT UTILIZING VOXEL-BASED LITHOGRAPHY - Methods for manufacturing an ophthalmic lens with an insert using voxel-based lithography techniques, wherein at least a portion of one surface may be free-formed from a reactive mixture are set forth herein. An ophthalmic lens precursor may be formed on a substrate with an arcuate optical quality surface via a source of actinic radiation controllable to cure a definable portion of a volume of reactive mixture, wherein the control may be on a voxel by voxel basis. | 05-28-2015 |
| 20150316789 | THERMOFORMED OPHTHALMIC INSERT DEVICES - The present invention describes single-piece or multi-piece Rigid Inserts that may be included in an Ophthalmic Lenses or may comprise the Ophthalmic Lens, wherein the Rigid Insert may be formed through the processing of thin sheet material by thermoforming. Single piece annular Rigid Inserts may perform the function of providing a template for printed patterns to be included in Ophthalmic Lenses. Single piece full Rigid Inserts may perform the function of polarizing light or filtering light based on the properties of materials used to form the insert. Multi-piece Rigid Inserts may include activation and energization elements. The present invention also includes methods and apparatus for forming the Rigid Inserts. | 11-05-2015 |
| 20150323811 | COMPONENTS WITH MULTIPLE ENERGIZATION ELEMENTS FOR BIOMEDICAL DEVICES - Methods and apparatus to form biocompatible energization elements are described. In some embodiments, the methods and apparatus to form the biocompatible energization elements involve forming cavities comprising active cathode chemistry. The active elements of the cathode and anode are sealed with a laminate stack of biocompatible material. In some embodiments, a field of use for the methods and apparatus may include any biocompatible device or product that requires energization elements. | 11-12-2015 |
| 20150362753 | METHOD, DEVICE AND SYSTEM FOR ACCESSING AN EYE-MOUNTABLE DEVICE WITH A USER INTERFACE - Techniques and mechanisms for providing access to an accommodation-capable eye-mountable device via a user interface of an auxiliary device. In an embodiment, the user interface provides prompts for a user of the eye-mountable device to perform various viewing actions, where the eye-mountable device receives from the auxiliary device communications indicating respective times of the viewing actions. Based on the communications, the eye-mountable device generates configuration information indicating a correspondence of respective states of the eye-mountable device to respective characteristics of the viewing actions. In another embodiment, operational modes of the eye-mountable device are defined based on the configuration information. | 12-17-2015 |
| 20150362754 | EYE-MOUNTABLE DEVICE TO PROVIDE AUTOMATIC ACCOMMODATION AND METHOD OF MAKING SAME - Techniques and mechanisms for providing an eye-mountable device including an accommodation actuator. In an embodiment, fabrication of the eye-mountable device includes sealing layers of enclosure material to form a lens enclosure comprising a pinch-off region where the layers of enclosure material physically contact one another. The accommodation actuator includes a liquid crystal layer disposed between the layers of enclosure material in a central region around which the pinch-off region extends. In another embodiment, electrodes are disposed in the central region each between the liquid crystal layer and a respective one of the layers of enclosure material. The liquid crystal layer isolates the electrodes from one another in the central region. | 12-17-2015 |
| 20160054589 | METHODS AND APPARATUS TO FORM SEPARATORS FOR BIOCOMPATIBLE ENERGIZATION ELEMENTS FOR BIOMEDICAL DEVICES - Methods and apparatus to form biocompatible energization elements are described. In some examples, the methods and apparatus to form the biocompatible energization elements involve forming cavities composing active cathode chemistry. The active elements of the cathode and anode are sealed with a biocompatible material. In some examples, a field of use for the methods and apparatus may include any biocompatible device or product that requires energization elements. | 02-25-2016 |
| 20160054590 | METHODS AND APPARATUS TO FORM BIOCOMPATIBLE ENERGIZATION PRIMARY ELEMENTS FOR BIOMEDICAL DEVICES - Methods and apparatus to form biocompatible energization elements are described. In some embodiments, the methods and apparatus to form the biocompatible energization elements involve forming cavities comprising active cathode chemistry. The active elements of the cathode and anode are sealed with a laminate stack of biocompatible material. In some embodiments, a field of use for the methods and apparatus may include any biocompatible device or product that requires energization elements. | 02-25-2016 |
| 20160056440 | BIOCOMPATIBLE RECHARGABLE ENERGIZATION ELEMENTS FOR BIOMEDICAL DEVICES - Methods and apparatus to form biocompatible energization elements are described. In some embodiments, the methods and apparatus to form the biocompatible energization elements involve forming cavities comprising active cathode chemistry. The active elements of the cathode and anode are sealed with a laminate stack of biocompatible material. In some embodiments, a field of use for the methods and apparatus may include any biocompatible device or product that requires energization elements. | 02-25-2016 |
| 20160056459 | CATHODE MIXTURE FOR USE IN A BIOCOMPATIBLE BATTERY - Methods and apparatus to form biocompatible energization elements are described. In some examples, the methods and apparatus to form the biocompatible energization elements involve forming cavities comprising active cathode chemistry. The active elements of the cathode and anode are sealed with a biocompatible material. In some examples, a field of use for the methods and apparatus may include any biocompatible device or product that requires energization elements. | 02-25-2016 |
| 20160056508 | ELECTROLYTE FORMULATIONS FOR USE IN BIOCOMPATIBLE ENERGIZATION ELEMENTS - Electrolyte formulations for use in biocompatible energization elements are described. In some examples, the electrolyte formulations for use in biocompatible energization elements involve liquid state electrolytes formulated to optimize biocompatibility, electrical performance, and physical performance. The active elements of the electrolyte are sealed with a biocompatible material. In some examples, a field of use for the apparatus may include any biocompatible device or product that requires energization elements. | 02-25-2016 |
| 20160081793 | INDUCTIVE COIL SENSOR FOR VISION CORRECTIVE APPARATUS AND METHODS THEREFOR - An ocular adaptive lens prosthesis apparatus is provided. In some implementations the apparatus includes a tunable liquid crystal lens encapsulated in the ocular prosthesis with control electronics and a power source. The tunable liquid crystal lens is driven in response to a convergence signal to provide accommodation. In some embodiments the tunable liquid crystal device corrects other visual shortcomings of the natural eye. The ocular prosthesis has a remote programmable tunable liquid crystal lens controller configured to recalibrate the tunable liquid crystal lens to compensate for dynamic adaptation of the eye over time. A coil is employed to transmit a convergence signal between a pair of ocular prostheses in a dual eye vision correction system. | 03-24-2016 |
| 20170235158 | ELECTRONIC MEDICAL DEVICES AND METHODS | 08-17-2017 |
| 20190146245 | SACCADE AND VERGENCE TRACKING FOR DISTANCE AUTO FOCUS ADJUSTMENT | 05-16-2019 |
