Patent classifications
G02C2202/04
OPTICAL LENS HAVING OFF-CENTER MAGNIFICATION GRADIANT
An optical lens for use with an eyewear frame includes an inner surface and an outer surface, with the lens being configured to be positionable adjacent a wearer's eye to enable viewing through both the inner and outer surfaces of the lens. The optical lens additionally includes a plurality of magnification regions, with each magnification region extending between the inner surface and the outer surface and being associated with a respective minimum magnification magnitude and a respective peripheral boundary. The peripheral boundaries for the plurality of magnification regions are disposed about a common center of magnification. The lens includes a geometric center residing on at least one of a longitudinal midline of the lens or a latitudinal midline of the lens, with the center of magnification being offset from the geometric center.
METHOD FOR DESIGNING A LENS SHAPE AND SPECTACLE LENS
A computer-implemented method for providing a lens shape for an ophthalmic lens is disclosed. Further, there is provided a method for angular smoothing of a surface determined by carrier lines radially outwards of a prescription zone bordered by a first boundary line. In addition, there is provided an ophthalmic lens, in particular, a spectacle lens. Moreover, a method for minimizing the difference in thickness between two ophthalmic lenses for the same spectacles is provided. A computer program product and a machine-readable storage medium are provided as well.
Sealing and encapsulation in energized ophthalmic devices with annular inserts
This invention discloses methods and apparatus for sealing and encapsulating Components on and within an annular-shaped Multi-Piece Insert. In some embodiments, an ophthalmic Lens is cast molded from a silicone hydrogel and the Component includes a sealed and encapsulated Multi-Piece Insert portion.
METHOD AND APPARATUS FOR CONSTRUCTING A CONTACT LENS WITH OPTICS
Various embodiments of the present invention provide systems, methods, and processes for constructing a contact lens. In one embodiment, a contact lens assembly is provided, comprising: a curved polymer polarizer with an aperture; a lenslet disposed inside the aperture, wherein the lenslet enables imaging near objects; and a filter attached to the lenslet. In further embodiments, a method for fabricating a flexible contact lens is provided, comprising: fabricating an element having an extrusion; providing a front concave mold, wherein the front mold has an intrusion to accommodate the extrusion of the optical element; affixing the extrusion of the optical element to the intrusion of the front mold; attaching a back convex mold to the front concave mold, thereby forming a mold cavity; and filling the mold cavity with a pre-polymerized liquid, whereby upon polymerization, the pre-polymerized liquid forms the flexible contact lens and the optical element is partially encapsulated within the lens.
LENS WITH OFF-AXIS CURVATURE CENTER
An off-axis curvature center lens is characterized by an x-y-z coordinate system of the convergence-reducing lens, the off-axis curvature lens comprising a distance-vision region with a non-negative distance-vision optical power, having a front distance-vision surface with a center of front distance-vision curvature, and a rear distance-vision surface with a center of rear distance-vision curvature and a near-vision region with an optical power within 0.5D of the distance-vision optical power, having a front near-vision surface with a center of front near-vision curvature, and a rear near-vision surface with a center of rear near-vision curvature; wherein at least one of an x-coordinate of the center of front near-vision curvature is nasal relative to an x-coordinate of the center of front distance-vision curvature, and an x-coordinate of the center of rear near-vision curvature is temporal relative to an x-coordinate of the center of rear distance-vision curvature.
Method and apparatus for constructing a contact lens with optics
Various embodiments of the present invention provide systems, methods, and processes for constructing a contact lens. In one embodiment, a contact lens assembly is provided, comprising: a curved polymer polarizer with an aperture; a lenslet disposed inside the aperture, wherein the lenslet enables imaging near objects; and a filter attached to the lenslet. In further embodiments, a method for fabricating a flexible contact lens is provided, comprising: fabricating an element having an extrusion; providing a front concave mold, wherein the front mold has an intrusion to accommodate the extrusion of the optical element; affixing the extrusion of the optical element to the intrusion of the front mold; attaching a back convex mold to the front concave mold, thereby forming a mold cavity; and filling the mold cavity with a pre-polymerized liquid, whereby upon polymerization, the pre-polymerized liquid forms the flexible contact lens and the optical element is partially encapsulated within the lens.
NON-ORTHOGONAL AND NON-SYMMETRIC CONTACT LENS AND ITS OPTICAL ZONE POWER DISTRIBUTION DESIGN METHOD
The invention relates to a non-orthogonal and non-symmetric contact lens and its optical zone power distribution design method, which involves planning annular curves at predetermined positions in the central optical zone of the contact lens, then, designing the plural curvature value on the radial curves on the annular curves in the central optical zone, and then designing non-orthogonal and non-symmetric curvature changes for the relative position at the central optical zone based on the changes in plural curvature values. It can form a non-orthogonal and non-symmetric curved surface in the central optical zone, and then complete the design of the power distribution of the central optical zone of the contact lens to achieve the purpose of stabilizing the contact lens power, correcting regular and irregular astigmatism, and obtaining clear vision.
Rotationally stabilized contact lens with improved comfort and method of optimization
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.
APPARATUS AND METHOD OF IMPROVING RETINAL IMAGE QUALITY WITH A SLOTTED TRANSMISSIVE REGION
A corrective lens for correcting aberrations of an eye of a patient includes a central region formed in the center of the corrective lens preventing light transmission. The corrective lens further includes a slotted transmissive region formed in the central region, the slotted transmissive region allowing light transmission therethrough.
Lens precursor with features for the fabrication of an ophthalmic lens
This invention provides for the fabrication of ophthalmic lenses via the utilization of DMD shows and/or DMD files. More specifically, the use of the DMD shows and/or DMD files to generate lens precursor designs comprising described features to form part of a substructure for the fluid reactive media portion of the lens precursor and wherein the lens precursor can generate particular ophthalmic lens designs in a free-form manner using methods described herein.