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32 results about "Uses contact lenses" patented technology

Method of improving vision using contact lenses and corneal collagen crosslinking

A method of improving vision by reshaping the cornea to correct for abnormal surface curvature by measuring the surface topography of the cornea, providing a rigid contact lens to reshape the cornea into a more desirable configuration, wearing the contact lens for sufficient time to achieve the reshaping, removing the contact lens, applying an alcohol solution to the epithelial layer, applying a riboflavin solution to the cornea, and subjecting the cornea to UV light for sufficient time to induce cross-linking of collagen fibers within the cornea, whereby the cornea is stabilized in the reshaped desirable configuration.
Owner:LEWIS SCOTT E +3

Method for designing an anterior curve of a contact lens

In accordance with the disclosure there is described herein a method of designing an anterior curve of a contact lens for the eye of a patient comprising the steps of providing a contact lens material having a posterior, a posterior curve having a predetermined asphericity, an anterior, an index of refraction and a center thickness; providing a geometry of a cornea, a distance power correction for the cornea and a near power correction for the cornea; determining a central distance power of the contact lens in air; calculating a central anterior radius of the contact lens using the posterior curve of the contact lens material, the index of refraction of the contact lens material, the center thickness of the contact lens material and the central distance power of the contact lens in air; calculating a center power of the contact lens on the eye of the patient using the index of refraction of tears at the posterior of the contact lens; and using an on-eye ray trace, said on-eye ray trace having a null lens compensation to create a targeted on-eye power profile.
Owner:UNILENS CORP USA

Visual aid using contact lenses

A visual aid for using contact lenses comprises an eyeball and a cover that contains the eyeball, and a model contact lens. The eyeball includes a sclera, an iris and a pupil. The cover includes an upper eyelid and a lower eyelid that can be opened and closed. The visual aid also includes a simulated contact lens that can be placed between the eyelids and the eyeball for demonstrating the proper insertion and wearing of contact lenses. The eyelids simulate natural movements of human eyelids. Additionally, methods for using the visual aid for using contact lenses for instruction in insertion, and removal, of contact lenses from the eye are described.
Owner:JOHNSON JR LEON A

Method for manufacturing contact lens and method for monitoring eye pressure by using contact lens

The invention discloses a method for manufacturing a contact lens and a method for monitoring eye pressure by using the contact lens. The method for monitoring eye pressure comprises the steps of wearing the contact lenses containing photonic crystal into eyes and monitoring the eye pressure through observation of the color of the contact lens. The contact lens contains photonic crystal; when being worn, the contact lens can represent different colors according to different eye pressures so as to monitor the eye pressure. According to the monitoring method, electronic driving and signal processing are not needed; the manufactured contact lens is simple in structure, convenient to use and low in cost; not only are new thoughts and methods for early preventing, monitoring and treating glaucoma provided, but also the current situation that the eyesight of glaucoma patients get worse and worse in China is remarkably improved; the method for monitoring eye pressure by using the contact lens has a wide application prospect in the fields of medical instruments, pharmaceutical researches and the like.
Owner:SHENZHEN INST OF ADVANCED TECH

Contact Lens Inner-arc Polishing Device And Method

The utility model relates to a contact lens inner arc polishing device and a method. The contact lens inner arc polishing device comprises a polishing body, a polishing portion and grinding cloth. The hardness of the polishing portion is 15-90% of that of a contact lens. The polishing portion is arranged at one end of the polishing body, and the grinding cloth wraps the polishing portion; when the contact lens inner arc polishing device is used for carrying out polishing on the contact lens, the polishing portion is simultaneously abutted against various arcs of the contact lens to enable the contact lens inner arc polishing device to simultaneously carry out the polishing on the various arcs of the contact lens at a time, and polishing time is shortened.
Owner:OPTACT INT +1

Contact lens lubricating liquid bottle

The invention discloses a contact lens lubricating liquid bottle, and belongs to the technical field of glasses lubricating liquid packaging. The contact lens lubricating liquid bottle comprises a bottle body and a bottle cap, the bottle body is provided with a connecting block, the connecting block is provided with a connector, an inner cavity of the connector communicates with an inner cavity of the bottle body, a clamping rib is arranged on the outer side wall of the connector, the connector is internally provided with a dropper groove, and a dropper is positioned in the dropper groove. A plurality of connecting bodies are arranged on the inner side of the bottle cap, a connecting groove is defined by the connecting bodies, clamping blocks are arranged at the tops of the connecting bodies, the connector is clamped in the connecting groove through the clamping blocks, and the bottom of the bottle cap is matched with the connecting block. According to the contact lens lubricating liquid bottle, the dropper groove is formed in the contact lens lubricating bottle connector, the dropper is located in the dropper groove, when contact lens lubricating liquid needs to be used, the dropper needs to be taken out, a dropper rubber head needs to be squeezed, dripping of the contact lens lubricating liquid can be completed, use is convenient, and practicability is high.
Owner:苏州锦新纳米科技有限公司
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