Abstract: Systems and methods for eyewear devices with integrated heads-up displays are provided. In one embodiment, an eyewear device provides an integrated heads-up display having a partially reflective element carried by an eyeglass lens to reflect towards the user computer-generated imagery projected on to it, while permitting the passage of light through the reflective surface in the direction of view of the user. The display mechanism further includes a cooperating projector assembly housed by a frame of the eyewear device in an overhead configuration relative to the partially reflective element. The projector assembly is housed by a top bar of the eyewear frame, with the reflective surface being housed wholly within the lens.

Abstract: Provided is a camera optical lens including first to seventh lenses. The camera optical lens satisfies following conditions: 1.50?d1/d13?3.00; 5.00?(d1+d2)/d6?8.00; and ?50.00?(R5+R6)/(R7+R8)??5.00, where d1 and d13 denote on-axis thicknesses of the first and seventh lenses, respectively; d2 denotes an on-axis distance from an image side surface of the first lens to an object side surface of the second lens; d6 denotes an on-axis distance from an image side surface of the third lens to an object side surface of the fourth lens; R5 and R6 denote curvature radiuses of an object side surface and the image side surface of the third lens, respectively; and R7 and R8denote curvature radiuses of the object side surface and an image side surface of the fourth lens, respectively. The camera optical lens can achieve high optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.

Abstract: Apparatuses and methods for multistage molding of contact lenses containing low oxygen permeable components or oxygen impermeable components. Components may be embedded within a contact lens by forming a device on a polymer substrate, molding a spacer onto a male mold, bonding the device to the spacer, removing the polymer substrate, and molding the remainder of the contact lens.

Abstract: A contact lens (10) comprising an anterior surface (14), a posterior surface (16), a central zone (12) with a first radius of curvature, a first peripheral zone (10) extending radially from the central optical zone, the first peripheral zone (1) having an inner margin (1a) having a radius of curvature that is substantially identical to the first radius of curvature of the central zone (12) and an outer margin (1b), wherein the first peripheral zone (1) is spherical at the inner margin (1a) and is aspheric at the outer margin (1b) and there is a change in a sphericity across the first peripheral zone (1) from the inner margin (1a) to the outer margin (1b) and the contact lens (10) comprises at least one further peripheral zone (2,3,4,5) having a radius of curvature that is less the first radius of curvature.

Abstract: An ophthalmic lens, including: an optical portion having: a near portion with a near dioptric power for viewing near distance; and a distance portion with a distance dioptric for viewing a distance further than the near distance; with the near portion or the distance portion being centrally disposed, wherein a portion that is not centrally disposed is annularly disposed at an outer edge of the near portion or the distance portion, the near portion or the distance portion centrally disposed in the optical portion having a portion A in which power is intensified and then weakened when viewed in X direction from a center to a periphery, and having a portion A? in which power is intensified and then weakened when viewed in X? direction from the center to the periphery, which is an opposite direction to the X direction, and also included is a related technique thereof.

Abstract: The present invention provides a camera lens consisting of eight lenses and having a small height, a wide angle, and good optical properties. The camera lens includes, sequentially from an object side, a first lens having a positive refractive power; a second lens having a positive refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power; a sixth lens having a positive refractive power; a seventh lens having a positive or negative refractive power; and an eighth lens having a negative refractive power. The camera lens satisfies specific conditions.

Abstract: A method for treating amblyopia in a patient includes: providing a virtual reality headset having a display that provides a first display to a left eye and a second display to the right eye; and manipulating one of the first display or the second display such that the manipulation encourages a patent's amblyopic eye to perform more work than the non-amblyopic eye.

Abstract: An optical imaging system includes, in order from an object side to an image side: a first lens element having positive refractive power, a second lens element having negative refractive power, a third lens element, a fourth lens element, a fifth lens element having both an object-side surface and an image-side surface being aspheric, and a sixth lens element having both an object-side surface and an image-side surface being aspheric, wherein the optical imaging system has a total of six lens elements; at least one lens element among the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element, and the sixth lens element has at least one inflection point.

Abstract: A faceguard is configured for measuring a human eye muscle movement response. The faceguard is configured for protecting at least one part of a human face and has an aperture for human vision through the faceguard. The faceguard comprises an eye sensor, a head orientation sensor, and an electronic circuit. The eye sensor comprises a video camera and is configured for measuring eyeball movement, pupil size, and/or eyelid movement. The head orientation sensor senses pitch and/or yaw of a person's head. The electronic circuit is responsive to the eye sensor and the head orientation sensor.

Abstract: The present invention generally provides systems, methods and ophthalmic lenses for image display of a virtual image, such as the display of a holographic image. According to the invention, an ophthalmic lens is advantageously configured for optimizing the visualization of said displayed virtual images.

Abstract: The zoom lens consists of, in order from an object side, a positive first lens group, a negative second lens group, a third lens group, a positive fourth lens group, and a positive fifth lens group. During zooming, the second lens group, the third lens group, and the fourth lens group move. The first lens group consists of, in order from an object side, a negative first a lens group, a positive first b lens group that moves during focusing, and a positive first c lens group. A most-image-side lens of the first b lens group is a negative meniscus lens having a convex surface facing an object side.

Abstract: Apparatus and methods are described including a progressive lens that is configured to provide a far-vision correction and a near-vision correction. The progressive lens includes a single-focus, far-vision corrective lens that is configured to provide only a portion of the far-vision correction, and a film coupled to the single-focus, far-vision corrective lens. The film defines a far-vision corrective portion that is configured to provide the remainder of the far-vision correction, a near-vision corrective portion that is configured to provide additive near-vision correction, and an intermediate portion in which the film transitions between the far-vision corrective portion and the near-vision corrective portion. Other applications are also described.

Abstract: A progressive spectacle lens has a front surface, a rear surface, and a spatially varying refractive index. The progressive spectacle lens can have: (a) a refractive index that changes only in a first and second spatial dimension and is constant in a third spatial dimension, and the distribution of the refractive index in the first spatial dimension and the second spatial dimension is neither punctually nor axially symmetric; (b) a refractive index that changes in a first, a second, and third spatial dimension, and the distribution of the refractive index in the first spatial dimension and the second spatial dimension is neither punctually nor axially symmetric on all planes perpendicular to the third spatial dimension; or (c) a refractive index that changes in a first, second, and third spatial dimension, and the distribution of the refractive index is not punctually or axially symmetric at all.

Abstract: A bifocal spectacle lens and a method for creating a numerical representation of a bifocal spectacle lens are disclosed. The bifocal spectacle lens includes a distance portion, a near portion, and a transition section situated between the distance portion and the near portion. The distance portion is optimized in view of an optical power for distance vision and the near portion is optimized in view of an optical power for near vision. The transition section is determined such that the transition section creates a continuous transition between the distance portion and the near portion. The distance portion and the near portion are optimized independently of one another and put together with the transition section to form the numerical representation of the bifocal spectacle lens.

Abstract: The invention is related to a hydrated silicone hydrogel contact lens having a layered structural configuration: a lower water content silicone hydrogel core (or bulk material) completely covered with a layer of a higher water content hydrogel totally or substantially free of silicone. A hydrated silicone hydrogel contact lens of the invention possesses high oxygen permeability for maintaining the corneal health and a soft, water-rich, lubricious surface for wearing comfort.

Abstract: A camera module includes a housing accommodating a lens module; a driving unit including a magnet disposed on the lens module and a coil disposed to face the magnet; a yoke to generate attractive force with the magnet; a first ball member disposed between the lens module and the housing, and pressed by a first pressing force; and a second ball member disposed between the lens module and the housing, and pressed by a second pressing force. A direction of the first pressing force is different than a direction of the second pressing force, and a point of action of a resultant force of the first pressing force and the second pressing force is located closer to one of the first ball member and the second ball member than the other of the first ball member and the second ball member.

Abstract: The present invention is an optical assembly featuring an architecture which allows adjustment of both objective lenses and the electronic sensing assemblies in the optical assembly. Electrical connections in the housings of the various subassemblies allow focusing adjustment by rotational and/or translational movement for increased adjustability.

Abstract: An image capturing lens assembly includes seven lens elements, which are, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The fifth lens element with positive refractive power has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The sixth lens element has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The seventh lens element has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, and the image-side surface thereof includes at least one convex shape in an off-axis region thereof.

Abstract: An imaging lens system includes five lens elements, which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. At least one of an object-side surface and an image-side surface of the fifth lens element has at least one inflection point. The object-side surface and the image-side surface of the fifth lens element are both aspheric.

Abstract: A zoom optical system comprises, in order from an object: a front lens group (GFS) having a positive refractive power; an M1 lens group (GM1) having a negative refractive power; an M2 lens group (GM2) having a positive refractive power; and an RN lens group (GRN) having a negative refractive power, wherein upon zooming, distances between the front lens group and the M1 lens group, between the M1 lens group and the M2 lens group, and between the M2 lens group and the RN lens group change, upon focusing from an infinite distant object to a short distant object, the RN lens group moves, and the M2 lens group comprises an A lens group that satisfies a following conditional expression, 1.10<fvr/fTM2<2.00, where, fvr: a focal length of the A lens group, and fTM2: a focal length of the M2 lens group in a telephoto end state.