Abstract: A system and method for determining a compliance with an instruction to assemble a figure according to a depiction of the figure on an output device, by presenting image data of the figure, capturing an image of the assembled figure, and comparing the figure captured in the image to the figure depicted on the output device.

Abstract: The present disclosure is directed to lenses, devices, methods and/or systems for addressing refractive error. Certain embodiments are directed to changing or controlling the wavefront of the light entering a human eye. The lenses, devices, methods and/or systems can be used for correcting, addressing, mitigating or treating refractive errors and provide excellent vision at distances encompassing far to near without significant ghosting. The refractive error may for example arise from myopia, hyperopia, or presbyopia with or without astigmatism. Certain disclosed embodiments of lenses, devices and/or methods include embodiments that address foveal and/or peripheral vision. Exemplary of lenses in the fields of certain embodiments include contact lenses, corneal onlays, corneal inlays, and lenses for intraocular devices both anterior and posterior chamber, accommodating intraocular lenses, electro-active spectacle lenses and/or refractive surgery.

Abstract: This invention relates to comfortable ophthalmic devices and methods of producing such devices by treating said ophthalmic lens with a wetting agent and packaging solution.

Abstract: A technique for obtaining a corrected pixel value is disclosed. The technique includes measuring a first dark current of a dark calibration pixel of a pixel array and measuring a second dark current of an imaging pixel of the pixel array. A dark current ratio is calculated based on the first dark current and the second dark current. An image charge is acquired with the imaging pixel where the image charge is accumulated over a first time period. A charge is acquired with the dark calibration pixel where the charge is accumulated over a second time period. The second time period is approximately equal to the first time period divided by the dark current ratio. A corrected imaging pixel value is calculated using a first readout from the imaging pixel and a second readout from the dark calibration pixel.

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 tip arrangement for a bottle used for dispensing viscous liquid, such as drops of medicine, is provided. Embodiments include a tip insert having an insert body and a piercing point at a lower end of the insert body, for piercing a top surface of the bottle and for retaining the tip insert on the top surface of the bottle after piercing. A passage extends from a distal end of the piercing point, through the insert body, to an opposing upper surface of the insert body. A dispensing tip at the insert body upper surface communicates with the passage for precisely forming drops of the liquid from the bottle.

Abstract: A device for measurement of characteristic parameters of at least one assembly of at least one light emitting diode (LED) comprising a measurement circuit for each assembly, wherein the measurement circuit has an electrical input which can be connected to the LED, a single measurement output to provide electrical values which are representative of at least two characteristic parameters of the LED, a first circuit configuration, which is designed to provide the measurement output with a value which is representative of a first characteristic parameter, a second circuit configuration, which is designed to provide the measurement output with a value which is representative of a second characteristic parameter and means for switching between the first circuit configuration and the second circuit configuration.

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 bearing race arrangement on a composite structure having a first coefficient of thermal expansion includes a recess formed in a surface of the composite structure for receiving a race element, at least one bearing race element disposed in the recess, the bearing race element having a coefficient of thermal expansion different from the coefficient of thermal expansion of the composite structure and a retainer securing the bearing race element to composite structure, within the recess and allowing for longitudinal expansion of the race element without creating stress on the composite structure.

Abstract: Contact lens designs are provided with improved stabilization wherein the moments of momentum are balanced.

Abstract: The present invention relates generally to an arcuate liquid meniscus lens with a meniscus wall. Some specific embodiments include a liquid meniscus lens with a meniscus wall essentially in the shape of a conical frustum combined with a segment of a torus convex to the optical axis. Embodiments may also include a lens of suitable size and shape for inclusion in a contact lens.

Abstract: A lighting and/or signalling device arranged so as to provide at least a first photometric function and a second photometric function, wherein the device comprises at least one moveable element on which at least the first photometric function is installed and the movement of which is subject to the operation of the second photometric function.

Abstract: A composition comprising a semiconductor nanocrystal including a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material, wherein the semiconductor nanocrystal is capable of emitting light upon excitation with a photoluminescence quantum efficiency greater than about 65%. Also disclosed is a composition comprising a semiconductor nanocrystal including a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material comprising at least three chemical elements, wherein the semiconductor nanocrystal is capable of emitting light with a photoluminescence quantum efficiency greater than about 60% upon excitation.

Abstract: The invention provides ophthalmic lenses useful in preventing myopia progression. The lenses of the invention provide substantially constant distance vision power zone in the center of the optic zone surrounded by a zone that provides positive longitudinal spherical aberration.

Abstract: In a first exemplary embodiment of the present invention, an automated, computerized method is provided for processing an image. According to a feature of the present invention, the method comprises the steps of providing an image file depicting an image, in a computer memory, generating an intrinsic image corresponding to the image, and compressing the intrinsic image to provide a compressed intrinsic image.

Abstract: A color reference guide is provided for ensuring consistency among color-printed products. The guide can include a plurality of calibration pages and each calibration page can include a calibration bar and a color logo. The calibration bar can be the same on each calibration page and the color logo can be different on each calibration page. A method of providing consistency among color-printed products is also provided and involves comparing a printed logo to a corresponding color logo in the color reference guide. The color reference guide can be used in a variety of printing processes, for example, in a CMYK four-color printing process or in a G7 color printing process. The color reference guide and method are also useful in calibrating a color printer.

Abstract: Methods and apparatus related to improving player performance for trajectory-based sports are described. In particular, sporting devices are described that can be utilized to improve player performance in basketball. The sporting devices can include a camera-based system configured to capture and analyze the trajectory of a shot taken by a player. The camera-based system can be configured to provide feedback that allows a player to optimize the trajectory mechanics associated with shooting a basketball. In one embodiment, the camera-based system can be used in conjunction with a training aid that is attached to a basketball rim. The training aid can be configured to improve the trajectory mechanics of individuals utilizing the modified basketball rim to practice their shooting.

Abstract: The present invention relates generally to an arcuate liquid meniscus lens with a meniscus wall. Some specific embodiments include a liquid meniscus lens with a meniscus wall essentially in the shape of a conical frustum, additional embodiments may include a cylindrical wall, each with microchannels. Embodiments may also include a lens of suitable size and shape for inclusion in a contact lens.

Abstract: An active wire compensation circuit, adapted to compensate a level of an output voltage detecting signal, is disclosed. A feedback controller controls a converting circuit according to the compensated output voltage detecting signal to have a load voltage for driving a load stabilized at a predetermined voltage level. The active wire compensation circuit comprises a compensating unit and a feedback compensating unit. The compensating unit detects the load current flowing through the load and accordingly generates a compensating current. The feedback compensating unit modulates the level of the output voltage detecting signal according to the compensating current and generates the compensated output voltage detecting signal.

Abstract: The aim of the present invention is to provide a projector device and a medical device with said projector device, said devices facilitating an improved projection of a two-dimensional pattern onto a plane in an optical body, in particular in an eye.