57 results about "Presbyopia" patented technology

An ophthalmic lens configured to correct and / or treat at least one condition of the eye (e.g., presbyopia, myopia, hyperopia, astigmatism, binocular vision disorders, night vision image quality, and / or visual fatigue syndrome) comprising: a base power profile; and at least one pulse selected to modify the base power profile.

The invention belongs to the technical field of medical instruments, and particularly relates to a pair of hyperopia correction glasses based on a refractive topographic map and a design method thereof. The pair of hyperopia correction glasses comprises a base lens, the middle part of the base lens is an out-of-focus-free area, an annular area outside the out-of-focus-free area is an out-of-focus stimulation area, the geometric center of the out-of-focus stimulation area coincides with the center of the out-of-focus-free area, and a plurality of out-of-focus correction areas are arranged on the base lens within the out-of-focus stimulation area. And a plurality of micro lenses with the same diopter are arranged in each defocus correction area. Based on the MRT peripheral defocus detection result of the patient, the individualized full-eye customization technology is adopted, accurate matching of the lens and the peripheral defocus of the retina is ensured, the defocus amount of eyeballs in different directions can be accurately adjusted through individualized customization, the eyeballs return to a comfortable area, the ideal hyperopia defocus state is formed, and the visual effect of the eyeballs is improved. The effects of promoting eye axis growth and treating hyperopia are enhanced.

A vision screening device displays visual stimuli and captures image(s) of the eye while the visual stimuli is changing over a period of time. The vision screening device uses the images to determine and monitor refractive error, ambient light level(s), pupil size, and gaze angle as the visual stimuli changes over the time period. Based on the refractive error, a determination of hyperopia and / or presbyopia is made. Based on the gaze angle and / or the pupil size, a confidence metric is determined. Based on the confidence metric and / or the determination, a recommendation for the patient is generated and displayed.

According to certain embodiments, an ophthalmic surgery system for treating presbyopia includes a controllable component and a computer. The controllable component includes a light source that generates a light beam and a scanner that guides the focus of the light beam. The computer identifies an ablation profile to remove tissue from central and peripheral regions of the cornea of ​​a first eye of a pair of eyes. The ablation profile is designed to remove tissue from the central region to create a protrusion and provide near vision, and to remove tissue from the peripheral region to correct emmetropia.

The invention relates to the technical field of ophthalmology optics, and discloses an implantable APD implant for treating presbyopia, and the method comprises the steps: carrying out the focal power mapping of a far-sight diopter component in a target optical parameter, obtaining the basic refraction surface type data, and carrying out the layout of a near-sight diopter component annular structure, and obtaining the diffraction phase structure data; carrying out integrated aberration balance on the two kinds of data to obtain a composite optical surface type data set; converting the phase variation in the composite optical surface type data set into an initial step height by combining a lens material and an environmental medium optical constant; obtaining diffraction structure morphology parameters based on material dispersion attribute optimization; constructing a digital processing map by taking the geometric position of the surface as a processing node and taking a topology and depth evolution relationship as a processing edge; performing microstructure construction on the surface of the optical polymer substrate according to the digital processing atlas to obtain an APD implant; according to the invention, the APD implantation processing efficiency and the optical adaptability efficiency can be improved.

The application discloses an auxiliary visual light device of mixed light, which mixes the light emitted by different color temperature light emitting units of a mixed light source module, forms a visual effect under the action of the mixed light, and can effectively stimulate the rod cells and cone cells on the retina, which are two kinds of photosensitive visual cells, compared with the prior art, the light intensity of the mixed light can break through to the retina of the eye, and the rod cells and the cone cells respectively dominate dark vision activity and bright vision activity. Therefore, the auxiliary visual light device of mixed light can assist users in visualizing objects, reading books and newspapers, and other visual activities, and provides a new scheme for assisting the human eye to clearly see objects on the level of light technology, in addition to wearing corresponding special glasses to correct, to help solve the problem of unclear vision caused by myopia, hypermetropia, presbyopia and other reasons. Moreover, the wavelength of the light generated by each light emitting unit is greater than 450nm, which can avoid the harm of blue light.

This invention discloses an adaptive intelligent focusing liquid crystal lens and its implementation method, belonging to the field of liquid crystal optical device technology. It aims to solve the technical problems of existing liquid crystal focusing lenses, such as low adjustment accuracy, slow response speed, limited adaptability to various scenarios, inability to achieve adaptive matching across the entire refractive range, and insufficient wearing comfort. The liquid crystal lens comprises a protective lens layer, a first liquid crystal layer, an intermediate insulating layer, a second liquid crystal layer, an optical substrate layer, and a coating layer stacked sequentially. Combined with a drive control module and a sensing and acquisition module, it achieves stepless continuous adjustment of the refractive power. The implementation method involves acquiring human eye refractive parameters and ambient light parameters through the sensing and acquisition module, and then outputting a precise voltage signal through the drive control module to regulate the molecular arrangement of the two liquid crystal layers, achieving adaptive intelligent focusing. This invention can achieve a refractive adjustment range of -10.00D to +6.00D, a response time ≤200ms, and an optometric accuracy of ±0.12D. It is suitable for various vision needs such as myopia, hyperopia, presbyopia, and astigmatism, balancing medical-grade accuracy with consumer-grade wearing comfort, and can be widely applied to wearable vision devices such as adaptive smart glasses.

The invention relates to ophthalmic compositions comprising thiol drugs, such as cysteamine, for the prevention and / or treatment of ocular conditions related to the hardening and / or opacification of the crystalline lens of the eye; for instance, ocular conditions such as cataracts and presbyopia.

The invention discloses eye protection liquid and a preparation method thereof, and belongs to the technical field of traditional Chinese medicine external preparations. The eye protection liquid is prepared from a chrysanthemum extract, borneol, calculus bovis factitius, venenum bufonis, realgar, a mint extract, a pipewort extract, a feather cockscomb seed extract, a butterflybush flower extract, pearl powder and purified water according to a specific weight part ratio, and is prepared by soaking, distilling, filtering and filling. The traditional Chinese medicine composition can rapidly permeate into eyes and directly enter focus, can relieve and treat various eye diseases such as presbyopia, myopia, amblyopia, cataract and the like, has the effects of soothing liver and relieving depression, promoting blood circulation and dredging collaterals, tonifying kidney and nourishing yin, supplementing optic nerve nutrition and improving microcirculation around the eyes, has the total effective rate of 100% and the cure rate of 80-95%, and is free of side effects and drug resistance and convenient to use.

The invention relates to the technical field of orthokeratology lenses, and discloses a bifocal presbyopic orthokeratology lens based on regional refraction. A base arc area, a reversal arc area, a positioning arc area and a peripheral arc area which are connected with one another are sequentially arranged on the inner surface of the bifocal presbyopic orthokeratology lens from the center to the periphery, the base arc area comprises a low-beam light area, a high-beam light area and a transition area, the low-beam light area is located on the first half side of the base arc area, and the high-beam light area is located on the second half side of the base arc area. The transition area is located between the low-beam light area and the high-beam light area, and the curvature of the low-beam light area, the curvature of the transition area and the curvature of the high-beam light area are sequentially decreased. According to the embodiment of the invention, the comfort, convenience and safety in the presbyopia correction process can be improved.

1. Name of the product in this design: Optometrist (RMK-900). 2. Purpose of this design: For objective refraction testing of myopia, hyperopia, astigmatism and presbyopia. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

According to some embodiments, an ophthalmic surgical system for treating presbyopia includes controllable components and a computer. The controllable components include a light source for generating a light beam and a scanner for guiding the focus of the beam. The computer determines an ablation profile to remove tissue from the central and peripheral regions of the cornea of ​​the first eye in a pair of eyes. The ablation profile is designed to: remove tissue from the central region to create a protrusion to provide near vision, and remove tissue from the peripheral region to correct to emmetropia.

In some embodiments, wavefront engineered contact / scleral / intraocular lenses correct presbyopia and / or astigmatism. Some aspects relate to apparatuses including structures doped with certain nanoparticles to enhance alignment of liquid crystal materials. Some embodiments relate to tunable optical lenses for vision correction that have a structure with doped nanoparticles in the liquid crystal layer and alignment layer or only with blue phase liquid crystal layer without any alignment layer.

This invention discloses a polarization-independent, high-transmittance, adaptive-focusing smart glasses, relating to the fields of smart wearable devices and optometry correction technology. It addresses the technical shortcomings of existing smart glasses, such as low transmittance, polarization dependence, low refraction and focusing efficiency, and limited functionality. The glasses include a frame, polarization-independent gradient refractive index liquid crystal lenses, a sensing module, a control module, a driving module, a power module, and a smart application module. The polarization-independent gradient refractive index liquid crystal lenses employ a bipolar polarizer lens template + metasurface layer structure, eliminating the need for polarizers and achieving a transmittance ≥80%, enabling precise focusing of incident light with any polarization state. The sensing module combines infrared CMOS, ToF sensors, and AI algorithms to complete automatic binocular refraction within 10 seconds with an accuracy ≥98%. The control module drives the lenses to focus in real time with a response time ≤200ms, and adaptively adjusts to ambient light, reducing visual fatigue. It also integrates AI intelligent applications, supporting multi-user data storage and cloud synchronization. This invention offers comfortable wear, high reliability, and comprehensive functionality, adapting to the needs of people with myopia, presbyopia, and astigmatism in various scenarios. It is easy to mass-produce and has extremely high commercial value and application prospects.

To enable a person with poor eyesight or presbyopia to view a display object without putting on or taking off spectacles.SOLUTION: An external magnifying glass unit that is externally attached to a visual recognition target such as a smartphone is constructed. The magnifier unit includes a rectangular magnifier and a support part. The support portion comprises a first side portion, a second side portion and a middle portion. The first side part extends in a first direction and is provided on one side of the magnifying glass. The second side portion extends in the first direction and is externally attached to the visual recognition target, externally attached to a case of the visual recognition target, or provided in advance. The intermediate portion connects one end of the first side portion and one end of the second side portion. In the first state of the magnifying glass unit, the intermediate part stands with one end of the second side part as a base end, and the support part maintains the magnifying glass parallel to the surface of the visual recognition object. The user views the display range of the viewed object through the magnifying glass. For the user, the display object is magnified through the magnifying glass.SELECTED DRAWING: Figure 18

The invention relates generally to an insert intended to be embedded in a silicone hydrogel contact lens. The insert is made of crosslinked materials that are rigid in the dry state at room temperature (approximately 22°C to approximately 26°C), have high oxygen permeability and a high refractive index in the fully hydrated state, and can be softened at temperatures above 32°C. Such materials are useful in the manufacture of embedded contact lens inserts for correcting corneal astigmatism, presbyopia, and color blindness, and for imparting photochromic characteristics to the lenses. The invention also relates to a method for manufacturing embedded silicone hydrogel contact lenses comprising an insert of the invention, and embedded silicone hydrogel contact lenses comprising an insert of the invention.

An electroactive lens provides simultaneous focusing at two different optical refractive powers. It achieves this using a stack of electroactive lens elements aligned along the same optical axis, each focusing light in a different polarization state (e.g., horizontal and vertical polarization). If the first and second electroactive lens elements have different optical refractive powers, light in the first polarization state can be focused to one optical refractive power, and light in the second polarization state can be focused to different optical refractive powers simultaneously. The electroactive lens can switch between different single and multiple optical refractive powers. People with presbyopia can use electroactive lenses mounted in eyeglasses instead of conventional bifocal glasses. Electroactive lenses can also be used in scopes to improve target aiming.

1. Name of the designed product: magnetic presbyopia glasses. 2. Use of the designed product: for correcting vision. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view. 5. Other circumstances or explanations: Part A is transparent material.

Provided herein are methods and computer-implemented systems for simulating a field of view affected by an ophthalmological condition. The ophthalmological condition may be presbyopia. The method may comprise receiving from a user interface one or more parameters relating to said ophthalmic condition. The method may comprise receiving, from a head mounted display, sensor data and a video stream. The method may comprise using one or more computer processors, applying an algorithm to modify at least a portion of said video stream to generate a simulated field of view, wherein said modification is based at least in part on said sensor data, said video stream, and said one or more parameters. The method may comprise providing said simulated field of view affected by an ophthalmic condition to a user via a graphical interface. The sensor data may include location data of one or more objects within the field of view. The algorithm may be applied to the object based on its location from the head mounted display.

The article to which this design relates is eyeglasses, in particular optical products, reading glasses for people with presbyopia, and has convex lenses. Reading glasses primarily meet the needs of people with presbyopia and play an essential role in improving people's quality of life.

The present invention is based on the discovery that N-pivaloylcysteine, and its derivatives, function to improve lens flexibility and treat presbyopia. N-pivaloylcysteine and N-(2-fluoro-2-methyl-1-oxopropyl)-cysteine showed improvement relative to N-acetylcysteine in reducing lens stiffness and in aqueous humor penetration. The invention includes N-pivaloylcysteine and its derivatives, their pharmaceutical compositions, and methods of administering them for the prevention of ophthalmic conditions related to lens stiffness, including presbyopia.

The invention relates to the technical field of manufacturing of contact lenses, and discloses a contact lens for correcting presbyopia and a manufacturing method thereof, and the method adopts a pre-polymerization solution containing a high refractive index monomer, nanoparticles subjected to surface functionalization modification, and a first photoinitiator and a second photoinitiator with orthogonal spectrums. Curing by synchronously applying a dual-channel spatial modulation light field: the first spatial modulation light field selectively activates a first photoinitiator in an optical region, and an internal refractive index gradient grating is formed through a polymerization induced phase separation mechanism to provide additional luminosity; the second spatially modulated light field selectively activates the second photoinitiator in the marginal region, expels the nanoparticles from the optical region to the marginal region by kinetic repulsion, and covalently anchors them. According to the invention, two processes of internal grating forming and edge particle migration anchoring are decoupled in situ, and the contact lens with high optical quality, stable additional luminosity and a friction-resistant edge shading area is prepared.

1. Name of the designed product: cosmetic case (8011 presbyopia). 2. Use of the designed product: for storing articles. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo best indicating the design points: perspective view.

Intraocular lens and related components and intraocular attachment methods are disclosed herein. In one embodiment, an intraocular lens component includes a helical coil fastener to attach an intraocular lens to an iris to correct for astigmatism, presbyopia, and / or myopia or hyperopia. The helical coil fastener includes a head and a helical wire extending from a bottom surface of the head and including a pointed tip opposite the head. The helical coil fastener is configured to be attached to the iris by being rotatably threaded into the iris, and thus can be removed from the iris by counter-rotation of the helical coil fastener. The helical coil fastener has a small volume, a large surface area, a small threading cross-sectional area, and a threading tilt angle. Thus, the helical coil fastener is easy to apply, easy to remove, minimizes tissue damage, maximizes stability, and minimizes threading force.

The invention discloses a refraction and diffraction type mixed multi-focus presbyopia correction contact lens, and belongs to the technical field of design and processing of optical lenses, the contact lens comprises a lens main body, the front surface of the lens main body is provided with a middle and near vision optical zone, a near and far vision diffraction optical zone and a far vision optical zone in sequence from the center to the periphery; the middle and near vision optical area is used for correcting presbyopia; the distant vision optical area is used for correcting ametropia; and the near and far vision diffraction optical areas are used for transitioning the far vision optical area and the middle and near vision optical area. On the basis of a traditional multi-focus soft lens, near vision is expanded to far vision, the field depth range is prolonged, light loss and optical interference are reduced, good visual comfort is provided, and better visual quality can be provided.

1. Name of the product in this design: Reading Glasses (Aiqier 1). 2. Purpose of this design: For use as reading glasses. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The intraocular lens (IOL) includes a lens body having an anterior surface and a posterior surface centered on an optical axis, and a gradual phase-step structure formed on the refractive surface profile of at least one of the anterior surface and the posterior surface, wherein at least one of the anterior surface and the posterior surface has an outer zone, an inner zone, and a transition zone continuously connecting the outer zone and the inner zone. The refractive surface profile of the outer zone provides a base refractive power, and the refractive surface profile of the inner zone provides an add refractive power. The gradual phase-step structure includes a first annular ridge structure in the inner zone and a second annular ridge structure extending radially from the transition zone to the outer zone.