Abstract: Eyewear including an optical functional member, control electronics, and a sealed electrical connective element connecting the electronics to the optical functional member. The connective element can directly connect the electronics to the optical functional member, or can connect through an intermediate contact, e.g., a plug-and-receptacle. The connective element can be routed from the electronics, around a rimlock of the eyewear to the optical functional member. The connective element can be a conductive compressible member, such as conductive rubber. In some embodiments, the connective element can be a multiconductor cable.

Abstract: An ophthalmic lens is presented. The lens includes a toric optical zone and a phase-affecting, non-diffractive optical element for extending depth of focus of imaging.

Abstract: An optical lens assembly includes first, second, third and fourth lens elements arranged in sequence from an object side to an image side along an optical axis. Each lens element has an object-side surface and an image-side surface. The first lens element has positive refracting power, and the image-side surface of the first lens element has a convex portion in a vicinity of the optical axis and a convex portion in a vicinity of a periphery. The second lens element has negative refracting power. The object-side surface of the third lens element has a concave portion in a vicinity of the periphery. The image-side surface of the fourth lens element has a convex portion in a vicinity of the periphery.

Abstract: An eye protection system may include a first lens, a second lens, and a lens support. The first lens may filter light of one or more first wavelengths. The second lens may filter light of one or more second wavelengths. At least one of the one or more first wavelengths may be different than at least one of the one or more second wavelengths. The lens support may position the first lens and the second lens in side-by-side arrangement respectively in front of a first eye and a second eye of a wearer in a manner respectively preventing the one or more first wavelengths and the one or more second wavelengths from being respectively received by the first eye and the second eye.

Abstract: A lens module may include a first lens having positive refractive power; a second lens having positive refractive power; a third lens having negative refractive power; a fourth lens having refractive power; a fifth lens having refractive power; a sixth lens having negative refractive power; and a seventh lens having refractive power and one or more inflection points formed in locations thereof not crossing an optical axis, wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens are disposed in a sequential order from the first lens to the seventh lens.

Abstract: A camera module including a housing; a lens barrel having a lens and reciprocating in the housing; a magnetic member coupled with the lens barrel; an electromagnetic member coupled with the housing and generating a magnetic field so that the lens barrel moves along an optical axis; and a Hall sensor in the housing and detecting a change in magnetic field according to a position of the magnetic member before electric power is outputted to the electromagnetic member. A control unit sets a current position of the magnetic member as a first target position, setting an initial position for driving auto focusing as a second target position, aligning the lens barrel to the first target position by controlling electric power supplied to the electromagnetic member, and then moving the lens barrel to the second target position by supplying electric power to the electromagnetic member.

Abstract: An optical processor is presented for applying optical processing to a light field passing through a predetermined imaging lens unit. The optical processor comprises a pattern in the form of spaced apart regions of different optical properties. The pattern is configured to define a phase coder, and a dispersion profile coder. The phase coder affects profiles of Through Focus Modulation Transfer Function (TFMTF) for different wavelength components of the light field in accordance with a predetermined profile of an extended depth of focusing to be obtained by the imaging lens unit. The dispersion profile coder is configured in accordance with the imaging lens unit and the predetermined profile of the extended depth of focusing to provide a predetermined overlapping between said TFMTF profiles within said predetermined profile of the extended depth of focusing.

Abstract: The present invention provides a solution for a highlight or multicolor display device, in which each display cell can display high quality color states. More specifically, an electrophoretic fluid is provided which comprises three types of charged particles and a fourth type of particles which is substantially uncharged neutral buoyancy particles, all of which are dispersed in a solvent or solvent mixture.

Abstract: A scanning laser ophthalmoscope for scanning the retina of an eye is provided comprising a light source emitting a beam of light, scan relay elements, wherein the light source and the scan relay elements provide a two-dimensional scan of the light beam which is transferred from an apparent point source at a pupillary point of the eye to the retina of the eye, and a static aberration correction element which has a shape defined to provide correction of aberrations of at least some of the scan relay elements and a location within the ophthalmoscope chosen to provide correction of aberrations of at least some of the scan relay elements, which location maintains transfer of the beam of light from the apparent point source at the pupillary point of the eye to the retina of the eye.

Abstract: The present invention generally relates to a motorized lens tray for a multi-focal length lens imaging system. In particular, a lens trays holds a variety of fixed focal length lenses, and a motorized mechanism moves the lens tray to align the desired lens with an imaging unit. This provides the flexibility to change focal lengths without the complexity, size, weight, and image quality degradation associated with a zoom lens. Certain embodiments of the invention are intended for use with digital cameras and cellular phones.

Abstract: A variable liquid lens system is provided. The variable liquid lens system includes a lens barrel comprising a wall and first and second ends, wherein the first and second ends are substantially transparent, at least one liquid lens disposed in the lens barrel and contacting the wall, the at least one liquid lens comprising a droplet, and a plurality of spaces containing fluid positioned on opposite sides of the at least one liquid lens inside the lens barrel. A plurality of first holes are provided in the wall at a position corresponding to the plurality of spaces. The at least one liquid lens is configured so that a position of the at least one liquid lens within the lens barrel is adjustable by adjusting amounts of the fluid contained in the plurality of spaces via the plurality of first holes.

Abstract: A five-piece optical lens for capturing image and a five-piece optical module for capturing image, along the optical axis in order from an object side to an image side, include a first lens with positive refractive power having an object-side surface which can be convex; a second lens with refractive power; a third lens with refractive power; a fourth lens with refractive power; and a fifth lens which can have negative refractive power, wherein an image-side surface thereof can be concave, and at least one surface of the fifth lens has an inflection point; both surfaces of each of the five lenses are aspheric. The optical lens can increase aperture value and improve the imaging quality for use in compact cameras.

Abstract: An optical magnifier suitable for viewing microdisplay panels and other optical fields and providing a wide field of view with minimal aberrations across the field over a large pupil with long eye-relief. The magnifier comprises six lens elements formed without the use of expensive very high dispersion glass. The lens surfaces are spherical and/or flat thereby simplifying lens fabrication. A similar magnifier with fewer lens elements configured to view a concave image surface is also disclosed.

Abstract: A five-piece optical lens for capturing image and a five-piece optical module for capturing image, along the optical axis in order from an object side to an image side, include a first lens with positive refractive power having an object-side surface which can be convex; a second lens with refractive power; a third lens with refractive power; a fourth lens with refractive power; and a fifth lens which can have negative refractive power, wherein an image-side surface thereof can be concave, and at least one surface of the fifth lens has an inflection point; both surfaces of each of the five lenses are aspheric. The optical lens can increase aperture value and improve the imaging quality for use in compact cameras.

Abstract: An immersion microscope objective includes a first lens group having a positive refractive power, a second lens group having a positive refractive power, and a third lens group having a negative refractive power. The first lens group includes a first lens surface and a second lens surface. The first lens surface is positioned nearest to the object side, and the second lens surface is positioned on an image side of the first lens surface and nearest to the first lens surface. The conditional expression ?3?(rG12/f)×(NAob/ndimm)2??1.7 is satisfied, in which rG12 denotes a radius of curvature at the second lens surface, f denotes a focal length of an entire system of the immersion microscope objective, NAob denotes an object-side numerical aperture of the immersion microscope objective, and ndimm denotes a refractive index of an immersion liquid for a d-line.

Abstract: Systems and methods for locating the center of a lens in the eye are provided. These systems and methods can be used to improve the effectiveness of a wide variety of different ophthalmic procedures. In one embodiment, a system and method is provided for determining the center of eye lens by illuminating the eye with a set of light sources, and measuring the resulting first image of the light sources reflected from an anterior surface of the lens and the resulting second image of the light sources reflected from a posterior surface of the lens. The location of the center of the lens of the eye is then determined using the measurements. In one embodiment, the center of the lens is determined by interpolating between the measures of the images. Such a determination provides an accurate location of the geometric center of the lens.

Abstract: An electrowetting display device and manufacturing method thereof. The manufacturing method comprises forming pixel electrodes on a substrate, forming an insulation layer on the pixel electrodes, applying light through a mask to expose portions of the insulation layer, developing the insulation layer to at least partially remove the exposed portions of the insulation layer, wherein the developing forms a water repellent layer on the pixel electrodes and partitioning walls on the water repellent layer, and forming an oil layer between the partitioning walls and on the water repellent layer. The water repellent layer and the sides of the partitioning walls are hydrophobic. Upper surfaces of the partitioning walls are hydrophilic. The partition walls are thicker than the water repellent layer.

Abstract: A five-piece optical lens for capturing image and a five-piece optical module for capturing image, along the optical axis in order from an object side to an image side, include a first lens with positive refractive power having an object-side surface which can be convex; a second lens with refractive power; a third lens with refractive power; a fourth lens with refractive power; and a fifth lens which can have negative refractive power, wherein an image-side surface thereof can be concave, and at least one surface of the fifth lens has an inflection point; both surfaces of each of the five lenses are aspheric. The optical lens can increase aperture value and improve the imaging quality for use in compact cameras.

Abstract: An image processing apparatus includes an identification unit configured to identify a retinal blood vessel based on a retinal image, a measurement unit configured to measure blood flow information for the blood vessel based on the retinal image, and a display control unit configured to display the measured blood flow information by at least one selected from a depth of the identified blood vessel, a size of the identified blood vessel, and a combination of both.

Abstract: A zoom lens includes a front lens group having a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, an aperture stop, and a rear lens group having a plurality of lens units. The first lens unit is fixed at the time of zooming, the first lens unit includes a first lens subunit having a negative refractive power, which is fixed at the time of focusing and a second lens subunit having a positive refractive power, which moves at the time of focusing. The second lens subunit is arranged at a position adjacent to the first lens subunit on the image side thereof, and the rear lens group includes a lens unit moving in a direction of an optical axis so that an imaging magnification at a telephoto end is larger than an imaging magnification at a wide-angle end.