This invention refers to armless spectacles made from a sheet of material that includes at least a second folding line in stabilisation means. The invention proposes several methods of ensuring the second line and offering even greater rigidity. The spectacles can be converted from a non-functional state into a functional assembled state suitable for use by manipulating the configuration of at least one stabilising means in the bridge area. The spectacles have an enhanced rigidity thus increasing the overall stability of the spectacles during use. They can be presented basically flat for storage or transport and be easily manipulated to achieve the configuration for use. The spectacles may further present enhanced fastening and handling means that increase fastening stability as well as easy placement and removal of the spectacles on and from the nose, which further enhances reliability during use.

Eyeglasses including magnets deployed to the wearer’s ear providing slip-slide-droop restriction and ear ornamentation.

A method of compensating for a refractive error, including manipulating eyelashes to project into a line of sight of an eye at least when an eyelid from which the eyelashes extend is partially closed or when the eye is moved relative to the eyelid. The method may further include manipulating at least one of spacing, orientation, direction, contour or shape of the eyelashes to create an optical effect that improves visual acuity when the eyelashes project into the line of sight and training an individual whose eyelashes are manipulated to position the eyelid from which the eyelashes extend, the eye or both the eyelid and the eye from which the eyelashes extend to achieve relative positioning of the eye and the eyelid to obtain the optical effect that improves visual acuity when desired.

There is provided a contact lens having a convex front surface and a concave rear surface, the front surface being divided into an optical portion, an edge joining the front and rear surfaces, a first smoothing portion arranged on an outer periphery of the optical portion, a peripheral portion arranged on an outer periphery of the first smoothing portion, and a second smoothing portion connecting the peripheral portion and the edge, the front surface having mirror image symmetry with respect to a vertical meridian as a boundary extending from an upper end of the lens to a lower end of the lens passing through a midpoint of the lens, and having mirror image symmetry also with respect to the horizontal meridian perpendicular to the vertical meridian at the lens midpoint, the peripheral portion being arranged to include the horizontal meridian, and configured of: a first peripheral portion arranged to include the horizontal meridian and having a shape so as to maximize a thickness of the contact lens on the horizontal meridian, a second peripheral portion arranged to include the vertical meridian and having a shape so as to minimize the thickness of the contact lens on the vertical meridian, a first peripheral auxiliary portion which is a portion adjacent to the first peripheral portion, having a surface shape so as to keep the thickness of the contact lens constant; and an inclined portion which is a portion connecting the first peripheral auxiliary portion and the second peripheral portion to form a continuous surface, and having a surface shape that changes the thickness of the contact lens.

The present disclosure is directed generally to a lens that provides a stop signal to a myopic eye, over a substantial portion of the spectacle lens that the viewer is using. The present disclosure is directed to devices, methods and/or systems of imposing a stop signal to eye growth, using a spectacle lens in conjunction with a micro lenslet array. The present disclosure is also directed to devices, methods and/or systems of modifying incoming light through spectacle lenses that utilizes chromatic cues to decelerate the rate of myopia progression. The present disclosure is directed to devices, methods and/or systems of imposing a stop signal to eye growth, using a spectacle lens in conjunction with a refractive optical element and/or diffractive optical element that offer conflicting or contradictory optical signals at a wavelength between 510 nm and 610 nm.

An optical device (40) includes an electro-optical layer (46), having an effective local index of refraction at any given location within an active area of the electro-optical layer that is determined by a voltage waveform applied across the electro-optical layer at the location. Conductive electrodes (50, 52) are disposed over opposing first and second side of the electro-optical layer. Control circuitry (26) is configured to apply control voltage waveforms between the conductive electrodes so as to generate a phase modulation profile in the electro-optical layer that causes rays of optical radiation that are incident on the device to converge or diverge with a given focal power, while varying an amplitude of the control voltage waveforms for the given focal power responsively to an angle of incidence of the rays that impinge on the device from a direction of interest.

A frame includes: a pair of temples; a connecting bar connecting respective ends of the pair of temples; at least one hanging shaft located at a middle of the connecting bar; nose pads fixed to the hanging shaft; a slide attached to the hanging shaft for a sliding movement; a pair of lens-holding frames vertically slidable in front of the connecting bar, the lens-holding frames being each configured to hold vertically arranged upper and lower lenses; and a bridge coupling the lens-holding frames. The bridge is attached at a level lower than a center of the lower lens in each of the lens-holding frames, and the lens-holding frames are slidable for a distance at least corresponding to a distance between a center of the upper lens and the center of the lower lens.

An eyewear retention apparatus is configured for use with an eyeglass frame having a pair of temples, each temple having a first extremity configured to attach to a lens holder and a second extremity configured to rest behind an ear of a wearer. The eyewear retention apparatus includes a strap formed of a flexible material and having a length extending between first and second ends, wherein each of the first and second ends includes a first hole extending through the strap. The eyewear retention apparatus also includes first and second fittings, each of the first and second fittings includes an end region having an opening configured to receive a respective one of the second extremity of the pair of temples and a tab having a second hole. The eyewear retention apparatus further includes a fastener extending through the first hole and the second hole.

A headband for securing eyeglasses on the head of a wearer may include a pair of cords secured to the temple arms of the eyeglasses. Distal ends of the cords may form end loops that fit over the temple arms and movably attach the headband to the temple arms for positioning the eyeglasses on the head of the wearer. Slide connectors may be manipulated to position and tighten the end loops of the pair of cords about the temple arms.

Disclosed is a method and system to construct a head strap for a dental or medical pair of magnifying loupe glasses. Key features of the disclosure are that the head strap is hygienic and very easy to disinfect, while at the same time being easy and quick to adjust and securely attach to the head, and quickly and securely attach to the temples of a standard loupe.