Abstract: A device for communicating data with a contact lens through a communication interface is disclosed. In embodiments of the invention, an accessory device identifies one or more wireless channels to communicate with a contact lens. Scheduling of this wireless communication is performed such that a preferred channel is selected based on noise and/or interference. In certain embodiments, a centralized scheduler, such as a Wi-Fi access point, is used to reserve the preferred channel within the associated wireless network so that clients within the network don't use this channel.

Abstract: A method for producing an ophthalmic lens includes a step of laser marking in order to produce permanent etchings on one surface of the lens, at least one predefined step subsequent to the marking step and implementing extreme thermal stress that is applied to the surface, and a step of determining an operating point (PF) of a laser marking machine (1) configured to implement the marking step from geometric characteristics (Di) of the etchings to be made, the determining step including the steps of determining (304) a value (CPM) representative of the deformation of the lens on at least one treatment area of the surface, from the stress and data relative to a predetermined material from which the lens is formed, and of deducing (308) the operating point from the value representative of deformation and from the geometric characteristics.

Abstract: To provide a contact lens and a storage medium enabling a pair of contact lenses to operate in coordination with each other. Provided is a pair of contact lenses including: a pair of lens parts configured to be worn on respective eyeballs of both eyes; a first function unit provided to one of the pair of lens parts; and a second function unit provided to the other one of the pair of lens parts, the second function unit having a function different from a function of the first function unit.

Abstract: A contact lens having a lens edge defining an outer periphery of the contact lens, an optic zone positioned within the lens edge designed to provide corrective vision for a patient, a Lens Center having a vertical axis and a horizontal axis passing therethrough, and first and second fiducial indicators present at first and second different locations around the lens edge. The first and second fiducial indicators each include at least one recess into or at least one projection extending outwardly from the lens edge and are different from one another.

Abstract: The present invention provides a vision assistive device, including: a first reflector, a second reflector and a third reflector. The first reflector is disposed at a first position of a cornea of a human eye. The second reflector is disposed at a second position of the cornea of the human eye. The third reflector is directly disposed in front of the cornea of the human eye. The first reflector and the second reflector are configured to reflect external light such that the external light is focused at the third reflector. Then, the external light is reflected again by the third reflector to the human eye, thereby enhancing a light intensity of the external light received by the human eye.

Abstract: System and method directed towards providing full and even illumination of a patient's retina through lighting integrated into a handheld fundus lens. By integrating the lighting, the method and system reduces and even eliminate many lens artifacts and reflections. By increasing the accuracy, quality, and field of view 10 afforded during clinical examination of the retina, the method and system will allow practitioners to make more accurate diagnoses and will increase safety during retinal surgical procedures.

Abstract: An ophthalmic device having posterior and anterior features are disclosed herein. An example ophthalmic device may include an enclosure having an insert disposed therein. The enclosure may include a cornea contact disposed on a posterior side and arranged to rest on a user's cornea outside of a central cornea area when the ophthalmic device is worn by a user. The enclosure further includes a channel formed in the posterior side, where the channel extends through the cornea contact from at least radially outside of the insert to an inner edge of the cornea contact, and a fenestration formed there through, wherein the fenestration is arranged radially outside of the insert and formed to intersect with a proximate end of the channel.

Abstract: A self-adhering, flexible gonioscopic lens for adhering to cornea and scleral regions of an eye includes a central lens having a body including a contact surface and a viewing surface, the contact surface having a radius of curvature that approximates the radius of curvature of the cornea, an eye fixation system configured for fixing the central lens to the eye, wherein the eye fixation system is attached to the annular perimeter of the contact surface of the central lens, extending around only a portion of the annular perimeter of the contact surface of the central lens to define a cut-out portion in the eye fixation system of the gonioscopic lens.

Abstract: A system that can analyze and modify a point map file corresponding to a lens design is described. The lens design is optimized to meet a patient's ophthalmic prescription. However, a digital surfacing machine may not be physically capable of producing on a lens blank a lens curvature required by the prescription and defined by the point map file. The system takes into account limitations of physical characteristics of the digital surfacing machine, such as the diameter and speed of movement of the cutting tool, and modifies the point map file so that the digital surfacing machine can produce the lens curvature on the lens blank.

Abstract: An accommodating contact lens module is provided for use with an accommodating contact lens. Components of the accommodating contact lens module can be manufactured and assembled with low distortion optics to provide improved vision. The module comprises a self-supporting module capable of being grasped by one of the components and placed in a mold without distorting the optical components of the module when placed. The module is compatible with soft contact lens materials, and compatible with soft contact lens manufacturing processes such as molding of hydrogels and silicones. The module may comprise one or more of many components that can be placed in the mold together. These components can be placed in the mold for encapsulation in order to provide accurate optical correction of the eye of the subject, for both far vision and near vision. In many embodiments, the module is inspected prior to placement in the mold.

Abstract: An optimized contact lens design and method which leverages the strain energy of the system when placed on eye that improves centration, translation, and stabilization characteristics, or any combination thereof, in order to improve both comfort and vision. A contact lens design and methodology wherein the lens-eye resulting strain energy is optimized to achieve the desired function be it centration, translation, or stabilization. Since the lens strain energy is directly driven by the amount of lens deformation, it is possible to control the lens strain energy through the modulus of the material, design of the lens geometry, namely the radii or curvature, peripheral thickness profiles, edge or rim shapes. The surface pressure and/or lens strain energy can be optimized for a given population by averaging the ocular eye shape/surface. Alternatively the lens strain energy can be optimized for a single given eye (i.e., custom design).

Abstract: Contact lenses incorporate high plus or add power profiles that at least one of slow, retard or preventing myopia progression and minimize halo effect. The lens includes a center zone with a negative power for myopic vision correction; and at least one treatment zone surrounding the center zone, the at least one treatment zone having a power profile that increases from an outer margin of the center zone to a positive power within the at least one treatment zone of greater than +5.00 D.

Abstract: An accommodating intraocular lens (AIOL) for implantation within a capsular bag of a patient's eye comprises first and second components coupled together to define an inner fluid chamber and an outer fluid reservoir. The inner region of the AIOL provides optical power with one or more of the shaped fluid within the inner fluid chamber or the shape of the first or second components. The fluid reservoir comprises a bellows region with fold(s) extending circumferentially around an optical axis of the eye. The bellows engages the lens capsule, and a compliant fold region between the inner and outer bellows portions allows the profile of the AIOL to deflect when the eye accommodates for near vision. Fluid transfers between the inner fluid chamber and the outer fluid reservoir to provide optical power changes. A third lens component coupled to the first or second component provides additional optical power.

Abstract: A method for producing a surfaced passivated, encapsulated surface III-V type II superlattice (T2SL) photodetector, more specifically a p-type heterojunction device by cleaning, etching and exposing the surface of a III/V material to solution mixtures which simultaneously removes oxides from the surface and encapsulates the surfaces.

Abstract: A method for making a hydrogel, photochromic contact lens including supplying a first lens composition comprising a contact lens monomer and a photochromic material to a front contact lens mold and supplying a second lens composition to said contact lens mold wherein the viscosity of said first composition is at least about 1000 cp greater than the viscosity of said second contact lens composition, and the makeup of said second composition matches the of said first composition to reduce strain between said compositions of the resulting lens.

Abstract: A contact lens for collecting tear or delivering a drug includes an inner lens placed on an eyeball, an outer lens provided at an outer side of the inner lens to overlap the inner lens, and a plurality of pillars disposed between the inner lens and the outer lens to form a space between the inner lens and the outer lens, wherein the contact lens has a plurality of interfacing ports for connecting a chamber with an outside of the contact lens.

Abstract: Ski goggles for a goggles wearer have a frame and a goggle lens supported by the frame. The goggle lens has a surface facing the wearer's face during normal use and has a surface facing away from the wearer's face. A frame pad is connected to the frame and is seated on the wearer's face during normal use. A retaining strap holds the ski goggles on the wearer's head during normal use. The frame has a thickness (d1, d2) of less than 1.5 centimeters in a perpendicular direction to the surface of the lens facing the wearer's face during normal use.

Abstract: Disclosed is an accommodating intraocular lens device for treatment of an eye including a stabilization haptic (120) configured to be positioned within a region of an eye and a lens body having a sealed chamber containing a fixed volume of optical fluid. The lens body includes a shape changing membrane (145) configured to outwardly bow in a region surrounding the optical axis of the eye; a shape deformation membrane configured to undergo displacement relative to the first shape changing membrane; and a static element (150). An inner surface of the shape changing membrane, an inner surface of the shape deformation membrane and an inner surface of the static element collectively form the sealed chamber. The lens device also includes a force translation arm (115) having a first end configured to contact an outer surface of the shape deformation membrane of the lens body and a second end configured to engage a ciliary structure of the eye.

Abstract: Apparatus, systems and methods employing contact lens sensors are provided. In some aspects, a contact lens includes a substrate that forms at least a portion of the body of the contact lens; an optical communication device disposed on or within the substrate; and a photodetector disposed on or within the substrate, wherein the photodetector harvests light emitted from a device and generates power from the harvested light. In some aspects, an apparatus comprises a tag having a circuit including: an optical communication device; and a photodetector that harvests light received and generates power from the harvested light. The tag can be disposed on or within a contact lens in various aspects.

Abstract: An illumination lens condenses a light from a light source and emits the light toward a display to illuminate the display. The illumination lens includes multiple first lens surface parts having a shape obtained by extracting multiple portions of a first virtual lens surface along a first optical axis, the first virtual lens surface defining the first optical axis on which the light source is disposed and being at least twice differentiable between optical axes arranged in a reference direction, and multiple second lens surface parts having a shape obtained by extracting multiple portions of a second virtual lens surface along a second optical axis, the second virtual lens surface defining the second optical axis and being at least once differentiable between the optical axes arranged in the reference direction. The first lens surface parts and the second lens surface parts are alternately arranged in the reference direction.

Abstract: Addition-fragmentation agents having the following functional groups: 1) a labile addition-fragmentation group that can cleave and reform to relieve strain, 2) at least one high refractive index group, and 3) at least one ethylenically unsaturated, polymerizable group are described.

Abstract: An eye-mountable device includes an enclosure shaped to be removably mounted over a cornea. The device also includes a tear-film sensor system, including one or more tear-film-sensitive sensors, disposed within the enclosure. The one or more tear-film-sensitive sensors are disposed to measure an impedance of a tear-film in an eye of a user and to output a signal indicative of the impedance. A controller is also disposed within the enclosure and coupled to the tear-film sensor system to receive the signal and, in response to changes in the signal, actively control circuitry disposed in the eye-mountable device.

Abstract: Disclosed herein is a contact lens comprising a rounded, minus-carrier, lenticular-like curve over a central, upper portion of the lens that allows the contact lens to translate upwards in downgaze.

Abstract: A contact lens for application in practice of orthokeratology on an eye, including a curved shell having a concave surface and a convex surface. The concave surface includes a carrier zone and a back shaping zone, the back shaping zone having a first curvature and the carrier zone having at least one second curvature. The curved shell has a geometric center and the back shaping zone has a shaping zone center and the back shaping zone center is offset peripherally from the geometric center. The curved shell can have an overall diameter that approximates a corneal limbal diameter of the eye to which the contact lens is to be applied.

Abstract: An optical lens blank includes a first and a second lens surface, which are arranged opposite each other and which are delimited at a lens circumference, wherein the first lens surface has a surface geometry that corresponds to a first partial cutout from a first melon shape. A range of blanks consisting of such lens blanks have first lens surfaces of varying degrees of curvature, wherein the different degrees of curvature are based on different melon shapes. Finally, a method for producing a spectacle lens from such an optical lens blank includes mechanically shaping at least the first or second surface, and separating a cutout from the mechanically shaped lens blank.

Abstract: Apparatus, systems and methods of contact lenses with power sources are provided. In some aspects, a contact lens can include a substrate; and a circuit. The circuit can include: one or more sensors disposed on or within the substrate; circuitry disposed on at least a portion of the substrate; one or more photovoltaic cells disposed on at least a portion of the substrate; and a hybrid power component that supplies at least one of two or more different types of power to the circuitry, wherein at least one of the two or more different types of power is radio frequency/inductive power. In various aspects, other types of power can be solar and/or microelectromechanical system power. Additionally, in various aspects, photovoltaic cells can be arrayed in different configurations and/or over a significant portion of a viewing surface of the contact lens. In some aspects, the photovoltaic cells can be transparent.

Abstract: A method for providing faster visual and functional recovery of patients following refractive surgery such as laser assisted in situ keratomileusis (LASIK) is disclosed. The method comprises providing a covering to the eye of a patient comprising an inner portion having an inner rigidity and at least one inner radius of curvature; and an outer portion having an outer rigidity and at least one outer radius of curvature; wherein the inner rigidity is greater than the outer rigidity.

Abstract: Molded electronic structures configured for use in body-mountable devices and methods for embedding molded electronic structures in a body-mountable device are described. An example method may include molding an electronic structure to have first curvature corresponding to a first radius of curvature. The electronic structure may include an antenna, a sensor, and an electronic device. The example method may also include adhering the molded electronic structure to a first polymer layer. The example method may additionally include forming a second polymer layer over the molded electronic structure adhered to the first polymer layer.

Abstract: An illumination lens condenses a light from a light source and emits the light toward a display to illuminate the display. The illumination lens includes multiple first lens surface parts having a shape obtained by extracting multiple portions of a first virtual lens surface along a first optical axis, the first virtual lens surface defining the first optical axis on which the light source is disposed and being at least twice differentiable between optical axes arranged in a reference direction, and multiple second lens surface parts having a shape obtained by extracting multiple portions of a second virtual lens surface along a second optical axis, the second virtual lens surface defining the second optical axis and being at least once differentiable between the optical axes arranged in the reference direction. The first lens surface parts and the second lens surface parts are alternately arranged in the reference direction.

Abstract: An ophthalmic multifocal lens to be worn on or in a human eye. The lens has an optical portion with anterior and posterior surfaces and a circumferential peripheral boundary. The optical portion has far vision zones having a first refractive power and near vision zones having an add power. The far visions zones and near vision zones include ring segments having one of the refractive powers each radially bounding a more central zone of another one of the refractive powers. The ring segments include ring segments bordering on the peripheral boundary and alternating in circumferential sense along the full circumference of the peripheral boundary.

Abstract: A system controller for an ophthalmic lens comprising an electronic system which actuates a variable-focus optic is disclosed herein. The system controller 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 controller including multiple state machines configured as digital logic gates.

Abstract: An intraocular lens system according to an embodiment includes a lens, a converter, and a driver. The lens is placed in the lens capsule, and configured to allow at least changes of the focal length. The converter is placed in the lens capsule, transmits part of incident light therethrough, and converts the energy of other part of the light into electrical energy. The driver is placed in the lens capsule, operates with the electrical energy obtained by the converter, and is used to change the focal length of the lens.

Abstract: 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.

Abstract: A device and method for applying light to the cornea of the eye as, for example, to promote crosslinking of collagen in the cornea for vision correction. The device may include a structure having form and size similar to a conventional contact lens. The structure may include an optically dispersive element such as a mass of an optically dispersive material that may be contained in a cavity of a reflective element. Light applied to the dispersive mass as, for example, by an optical fiber connected to the structure is dispersed in the structure and passes into the cornea. The patient may blink or close the eye during the procedure, which increases patient comfort and aids in maintaining hydration of the cornea.

Abstract: A contact lens system, including a peripheral conjunctival cover portion including a shell curved and sized to substantially overly a conjunctiva of an eye. The conjunctival cover portion defines a full thickness central opening therethrough. The central opening is positioned within the conjunctival cover and sized to expose at least a portion of a cornea of the eye. The contact lens system further includes a central contact lens portion that is substantially equivalent in size to the central opening and positioned or positionable at the central opening.

Abstract: A lens blocking/deblocking method/device to adhere an ophthalmic lens to a lens holding block A method for blocking an optical lens component (100) on holding unit (200) having bottom part (230) inserted and fixed in lens machining tool (400) and an upper part (250) having upper assembling surface (210) and external side parts (241). The method provides the optical lens component (100) with layer (320) of one-side adhesive tape arranged on bottom of component (100) to cover at least partially bottom (120); (S20) providing thermoplastic material on upper assembling surface (210). The thermoplastic material is heated where a part thereof flows under moderate pressure; (S30) placing the optical lens (100) with layer (320) on thermoplastic material when the thermoplastic is softened; (S40) applying pushing force (P1) on the optical lens (100), to spread the thermoplastic between layer (320) and upper assembling surface (210) and covers external side parts (241).

Abstract: A lens for refractive tear shaping, having a curved lens body with a peripheral edge and a central opening therein. The central opening is shaped and sized and has a tear shaping edge structured to form a tear meniscus within the central opening. The tear meniscus being formed by interaction of a tear film of the eye and the tear shaping edge and having a posterior curvature conforming to an anterior corneal curvature and an anterior curvature. The anterior curvature is dependent on the size and shape of the central opening and structure of the tear shaping edge.

Abstract: Ophthalmic lenses for correcting refractive error of an eye are disclosed. Ophthalmic lenses include an inner optic portion having a scaffold between an anterior portion and a posterior portion. The scaffold is characterized by a substantially uniform thickness formed from a material characterized by a modulus that his higher than the modulus of the peripheral portion. Openings within the scaffold are filled with a low modulus material. When applied to an eye, the lenses are configured to provide one or more lenticular volumes between the posterior surface of the lens and the cornea. The disclosure further relates to methods of correcting refractive errors of an eye such as astigmatism or spherical aberration using the ophthalmic lenses.

Abstract: 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.

Abstract: A conformable covering comprises an outer portion with rigidity to resist movement on the cornea and an inner portion to contact the cornea and provide an environment for epithelial regeneration. The inner portion of the covering can be configured in many ways so as to conform at least partially to an ablated stromal surface so as to correct vision. The conformable inner portion may have at least some rigidity so as to smooth the epithelium such that the epithelium regenerates rapidly and is guided with the covering so as to form a smooth layer for vision. The inner portion may comprise an amount of rigidity within a range from about 1×10-4 Pa*m3 to about 5×10-4 Pa*m3 so as to deflect and conform at least partially to the ablated cornea and smooth an inner portion of the ablation with an amount of pressure when deflected.

Abstract: System and method directed towards providing full and even illumination of a patient's retina through lighting integrated into a handheld fundus lens. By integrating the lighting, the method and system reduces and even eliminate many lens artifacts and reflections. By increasing the accuracy, quality, and field of view 10 afforded during clinical examination of the retina, the method and system will allow practitioners to make more accurate diagnoses and will increase safety during retinal surgical procedures.

Abstract: Contact lenses comprising designs/colorants may be utilized to enhance and/or highlight the appearance of the eyes upon which the contact lenses are positioned. These contact lenses comprise a substantially annular shaped clear layer on the front curve surface to completely encapsulate the designs/colorants within the contact lens. The annular shape provides no clear coat over the optic region thereby ensuring high optical quality.

Abstract: 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.

Abstract: The invention provides an improved rotationally stabilized contact lens design and method of designing such a lens which minimizes stabilization time of the lens while maximizing the lens on-eye comfort. The lens and the method of designing the lens utilizes and combines non-circularity and thickness differential aspects resulting in equivalent or minimized stabilization time, ease of insertion and manufacturability as well as maximum comfort that is improved over that of what either aspect can achieve independently.

Abstract: Described here are devices, systems, and methods for increasing tear production by stimulating the cornea, conjunctiva, and/or subconjunctiva. In some variations, the devices may be in the form of a contact lens. The contact lens may comprise a lens body and a stimulator chip, where the stimulator chip is embedded in the lens body. An external power source wirelessly transmits energy to the stimulator chip, where the stimulator chip may convert the energy to an electric waveform to stimulate the cornea, conjunctiva, and/or subconjunctiva. Stimulation may activate the lacrimal reflex to increase tear production. The devices and systems for increasing tear production may be used in methods of treating dry eye, reducing the symptoms of tired eye, increasing comfort for contact lens wearers, and extending the number of years a contact lens user can wear contacts. Also described are methods of manufacturing a contact lens.

Abstract: A polymerizable composition for an optical material includes: (A) one or more isocyanates having two or more isocyanato groups that contains an aromatic isocyanate; (B) one or more alcohols having two or more hydroxyl groups; and (C) an acid phosphate represented by the following formula (1), in which a ratio of the molar number of a secondary hydroxyl group to the total molar number of primary and secondary hydroxyl groups contained in the alcohol (B) is 50% or higher.

Abstract: An eye-mountable device can include a transparent material and a substrate at least partially embedded in the transparent material. The transparent material can have a concave surface and a convex surface, with the concave surface configured to removably mount the eye-mountable device on a corneal surface overlaying a pupil. A light source can be disposed on the substrate and configured to emit light through the concave surface and towards the corneal surface such that the emitted light is viewable through the pupil. The light source can be controlled by circuitry disposed on the substrate. The circuitry can be configured to modulate the light emitted by the light source to provide modulated light.

Abstract: Systems and techniques for reconstructing one or more surfaces of an object including one or more opaque surfaces behind one or more refractive surfaces are provided. The systems and techniques may include obtaining one or more images of the object including an opaque surface located behind a refractive surface and determining one or more refractive surface constraints using the one or more images. The one or more refractive surface constraints constrain one or more characteristics of the refractive surface. The systems and techniques may further include reconstructing an opaque surface representation or a refractive surface representation using the one or more refractive surface constraints, the opaque surface representation representing the opaque surface of the object, and the refractive surface representation representing the refractive surface of the object.

Abstract: Contact lenses incorporate high plus or add power profiles that at least one of slow, retard or preventing myopia progression and minimize halo effect. The lens includes a center zone with a negative power for myopic vision correction; and at least one treatment zone surrounding the center zone, the at least one treatment zone having a power profile that increases from an outer margin of the center zone to a positive power within the at least one treatment zone of greater than +5.00 D.

Abstract: An eyeglasses-wearing simulation method comprising: a step of creating a pair of left and right original images for enabling a patient to perform stereoscopic viewing by utilizing binocular parallax, based on virtual scene data constituted by virtual objects placed in visual field spaces of the left and right eyes; a step of calculating distortion and blur of a right eye eyeglass lens and adding the distortion and blur to the right eye original image, and calculating distortion and blur of a left eye eyeglass lens and adding the distortion and blur to the left eye original image; and a step of stereoscopically displaying the processed images viewed through the pair of left and right eyeglass lenses on a screen, wherein a value of the blur is calculated by setting a same amount of accommodation to the left and right eyes in regard to all of object points.