G02C2202/22

VISION CORRECTION WITH LASER REFRACTIVE INDEX CHANGES
20230157812 · 2023-05-25 ·

Methods and systems wherein laser induced refractive index changes by focused femtosecond laser pulses in optical polymeric materials or optical tissues is performed to address various types of vision correction.

CONTACT LENS COMPRISING A LENTICULAR AND HAVING A PROGRESSIVE ADDITION OPTIC ZONE
20230161179 · 2023-05-25 ·

Disclosed herein is a contact lens comprising a lenticular in a superior portion of the contact lens wherein the contact lens attaches to an upper eyelid of a wearer by the lenticular interacting with an upper tarsal plate of the upper eyelid of a wearer, said interaction allows the contact lens to translate upwards in downgaze and maintain rotational stability. By having rotational stability and translation, a contact lens having a progressive addition optic zone is provided.

Contact lens product

A contact lens product includes a multifocal contact lens and a buffer solution. The multifocal contact lens includes a central region and at least one annular region. The annular region concentrically surrounds the central region. A diopter of the annular region is different from a diopter of the central region. The multifocal contact lens is immersed in the buffer solution, and the buffer solution includes a cycloplegic agent.

Intraocular lenses and peripheral portion stabilization
11622850 · 2023-04-11 · ·

An intraocular lens, wherein an outer periphery of an optic portion has a peripheral surface, and a radially inner portion of a peripheral portion of the IOL has an inner surface, wherein the peripheral surface is directly adjacent to the inner surface, and wherein the peripheral surface does not directly extend (coupled to or integrally formed therewith) from the inner surface, and wherein the peripheral surface and the inner surface are configured so that the peripheral portion is stabilized in at least one of, and optionally both of, the proximal and distal directions relative to the optic portion.

Multifocal lens having reduced chromatic aberrations
11684469 · 2023-06-27 · ·

A method and system provide a multifocal ophthalmic device. The ophthalmic lens has an anterior surface, a posterior surface and at least one diffractive structure including a plurality of echelettes. The echelettes have at least one step height of at least one wavelength and not more than two wavelengths in optical path length. The diffractive structure(s) reside on at least one of the anterior surface and the posterior surface. The diffractive structure(s) provide a plurality of focal lengths for the ophthalmic lens.

INTRAOCULAR LENSES AND PERIPHERAL PORTION STABILIZATION
20230190448 · 2023-06-22 · ·

An intraocular lens, wherein an outer periphery of an optic portion has a peripheral surface, and a radially inner portion of a peripheral portion of the IOL has an inner surface, wherein the peripheral surface is directly adjacent to the inner surface, and wherein the peripheral surface does not directly extend (coupled to or integrally formed therewith) from the inner surface, and wherein the peripheral surface and the inner surface are configured so that the peripheral portion is stabilized in at least one of, and optionally both of, the proximal and distal directions relative to the optic portion.

ACHROMATIC LENSES FOR VISION TREATMENT
20230190452 · 2023-06-22 ·

Apparatuses, systems and methods for providing improved ophthalmic lenses, particularly intraocular lenses (IOLs), include features for reducing dysphotopsia effects, such as haloes and glare. Exemplary ophthalmic lenses can include an optic having a central region disposed about an optical axis and a peripheral region extending outward from the central region, with a diffractive achromat positioned on the peripheral region, and the central region lacking an achromat, and a base power for distance of the central region being the same as a base power for distance of the peripheral region.

Method of calculation for detailed waverfront calculation for spectacle lenses with a diffractive grating

Method for assessing an optical property of k.sup.th order of an optical element at an evaluation point. The optical element has a boundary surface formed of a refractive base surface and a phase-modifying optical element. The method includes determining the properties of a wavefront in the local surrounding of the evaluation point by means of a local wavefront tracing, and determining the optical property at the evaluation point based on the properties of the wavefront in the local surrounding of the evaluation point, wherein the local wavefront tracing has a local wavefront tracing upon passage through the boundary surface, and the local wavefront tracing upon passage through the boundary surface is performed according to the equation for the local wavefront tracing through the refractive base surface, the equation being supplemented by an additive additional term PK.sup.(k).

Lenses, Devices, Methods and Systems for Refractive Error
20220373824 · 2022-11-24 ·

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.

OPTICAL DEVICE AND TUNING UNIT FOR THE OPTICAL DEVICE
20230185050 · 2023-06-15 · ·

An optical device is suggested, which comprises a container (2) enclosing an internal space (3), wherein the internal space (3) is filled with a transparent liquid (4), and wherein the container (2) comprises a transparent bottom (5) and a transparent and elastically deformable membrane (6) opposing said bottom (5) such that the liquid (4) is arranged between the membrane (6) and the bottom (5), a circumferential lens shaping element (10) connected to the membrane (6) so that a circumferential edge of the lens shaping element (10) defines a central area (8) of the membrane (6) so that light can pass through the container (2) via the central area (8) and the bottom (5), wherein the lens shaping element (10) is deformable and comprises a plurality of actuation points (11), wherein in each of the actuation points (11) the lens shaping element (10) is moveably mounted with respect to the transparent bottom (5) by a bearing means (12) and wherein at least one actuation point (11) is displaceable with respect to the transparent bottom (5).