B29D11/023

METHOD AND APPARATUS FOR THE AUTOMATED TRANSFER OF AN INTRAOCULAR LENS
20230048115 · 2023-02-16 ·

Disclosed is a method for the automated transfer of an intraocular lens (1) comprising an optical lens body (10) and two haptics (11) attached to a peripheral edge of the optical lens body (10) and extending outwardly from the peripheral edge of the optical lens body (10). The method comprises the steps of: picking the intraocular lens (1) up at a start location; moving the intraocular lens (1) to a destination location; releasing the intraocular lens (1) at the destination location,
wherein picking the intraocular lens (1) up at the start location comprises gripping the intraocular lens (1) only at the haptics (11) of the intraocular lens (1).

METHOD AND ASSEMBLY FOR FORMING AN INTRAOCULAR LENS
20230038204 · 2023-02-09 ·

A method of forming a mold insert used to produce an intraocular lens (IOL) mold is disclosed herein. The method includes providing stock material and cutting the stock material, which includes multiple cutting steps. The cutting steps are performed on transitional regions of supporting portions of the mold insert. Peripheral surfaces of the mold insert have varying roughness values, and supporting portions of the mold insert have a greater roughness than the optical portion of the mold insert. An IOL is also disclosed herein that is formed using an IOL mold that is injection molded using the mold insert. A method of forming the IOL is also disclosed herein.

COMPOSITIONS, SYSTEMS AND METHODS FOR PATIENT SPECIFIC OPHTHALMIC DEVICE

Systems, methods, and devices to fabricate one or more device components are disclosed. An example method includes fabricating one or more subject specific device components generated from receiving one or more images of one or more features of the first eye of the subject; designing a three dimensional virtual geometric model of the ophthalmic device using the one or more images; generating a plurality of virtual cross-sections of the three-dimensional virtual geometric model, wherein the cross-sections are defined by a set of physical parameters derived from the three-dimensional model; and fabricating the one or more subject specific features using the plurality of virtual cross-sections of the three dimensional model to direct an additive manufacturing method.

Small diameter corneal inlays

Methods of manufacturing and implanting corneal inlays, such as small diameter corneal inlays, are provided. The methods include manufacturing an implant body to have a meniscus shape with a small diameter and an index of refraction, and implanting the implant body in a corneal bed of a cornea. The inlays cause a change in an anterior surface of the cornea after implantation due to the implant body.

Methods of molding intraocular lenses

Intraocular implants and methods of making intraocular implants are disclosed. The intraocular implant can include a mask adapted to increase depth of focus. The method of manufacturing the implant can include filling an annular mask-forming trough with an opaque mask material and adding an optically transmissive optic material over the opaque mask material.

Accommodating intraocular lens

An intraocular lens (IOL) for implantation within a capsular bag of a patient's eye comprises an optical structure and a haptic structure. The optical structure comprises a planar member, a plano convex member, and a fluid optical element defined between the planar member and the plano convex member. The fluid optical element has an optical power. The haptic structure couples the planar member and the plano convex member together at a peripheral portion of the optical structure. The haptic structure comprises a fluid reservoir in fluid communication with the fluid optical element and a peripheral structure for interfacing to the lens capsule. Shape changes of the lens capsule cause one or more of volume or shape changes to the fluid optical element in correspondence to deformations in the planar member to modify the optical power of the fluid optical element.

MATERIAL AND BIOLOGICAL RESPONSE OF FEMTOSECOND PHOTO-MODIFICATION IN HYDROGEL AND CORNEA
20220402227 · 2022-12-22 ·

Systems and methods for optimizing laser damage threshold and induced phase change range in a method of writing phase change structures in a hydrogel material with a femtosecond laser writing system focusing a laser beam into the hydrogel material. laser pulse width and a laser effective NA are selected for a given focused laser average power range to increase the laser damage threshold relative to use of laser pulse widths shorter than the selected laser pulse width and/or use of laser effective NAs greater than the selected laser effective NA. In a particular embodiment, the focused laser average power is from 1 to 5000 mW, the selected laser pulse width is greater than about 165 fs, and the selected laser effective NA is less than 0.50. Applications of the techniques described include laser induced refractive index change (LIRIC) customization of contact lenses, intra-ocular lenses, and other ophthalmic materials.

Artificial eye lens with laser-generated birefringent structure and method for producing an artificial eye lens

An artificial eye lens having an integral optical part which has, viewed in the direction of an optical principal axis of the eye lens, a first optical side and an opposite, second optical side. The optical part is formed with a structure having birefringence, where the birefringent structure in the integral optical part is formed as a laser structure. A method for producing an artificial eye lens, where the birefringent structure is produced with a laser apparatus, and a pulsed laser beam having a pulse length of between 100 fs and 20 ps, a wavelength of between 320 nm and 1100 nm, a pulse repetition rate of between 1 kHz and 10 MHz, a focus diameter of less than 5 μm, and a power density of greater than 10.sup.6 W/cm.sup.2.

Ophthalmic Lens With Depth-Modulated Optical Structures and Methods of Forming

Subsurface optical elements are formed within an ophthalmic lens using modulation of depth to which refractive index change inducing laser pulses are focused within the ophthalmic lens. A system for forming one or more subsurface optical structures within an ophthalmic lens comprises a control unit operatively coupled with a laser pulse source and a focusing assembly. The control unit is configured to control operation of the focusing assembly to sequentially focus each of the sequence of laser pulses onto a respective sub-volume of a sequence of sub-volumes of the ophthalmic lens. The sub-volumes of the sequence of sub-volumes have modulated depths within the ophthalmic lens and varying transverse locations within the ophthalmic lens.

METHOD FOR PRODUCING AN ACCOMMODATIVE INTRAOCULAR LENS
20220339896 · 2022-10-27 ·

A method for producing an accommodative intraocular lens includes providing first and second components and a support body with an interior space and open to the top, fastening the first component to the support body, generating pressure which is higher in the exterior space than in the interior space such that the first component deforms downward, producing an adhesive surface on the upper side of the first component and/or on the second component, applying a liquid to the first component from above into the latter's downwardly deformed region, the liquid at no time contacting the adhesive surface, fastening the second component to the first component with the adhesive surface, as a result of which the accommodative intraocular lens is formed and the liquid is encapsulated with the first component and the second component in a cavity arranged in the interior of the intraocular lens.