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8118427 |
Method for optimizing and/or manufacturing eyeglass lenses
A method for determining an optimal eyeglass lenses design for a viewer (1) comprising the successive steps of: showing the viewer (1) a stereoscopic scene including optical effects of a first lens...
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8083346 |
Contact lens for keratoconus
The present invention is directed to a non-deforming contact lens for keratoconus patients comprising a central zone having a displaced central zone. In particular, the central zone is displaced...
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8079706 |
Method and apparatus for aligning a mask with the visual axis of an eye
An apparatus is provided for aligning an implant with a visual axis of an eye of a patient. The apparatus has an instrument with an instrument axis and an aperture through which the patient may...
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8061843 |
Diagnostic and corrective apparatus and method
This disclosure describes systems and methods which utilize outcomes analysis, empirical and on-eye diagnostic fitting outcomes, and similar patient data to determine and provide a relatively...
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8057041 |
Apparatus for measuring an analyte in an eye fluid
The invention proposes a manual measuring appliance (112) and an analytical measuring system (110) which can be used to measure at least one analyte in an eye fluid of an eye (114). The handheld...
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8057038 |
Accommodation compensation systems and methods
Methods and systems for obtaining an ocular aberration measurement of an eye of a patient are provided. Exemplary techniques involve obtaining a first induced metric for the eye that corresponds to...
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8029137 |
Compound modulation transfer function for laser surgery and other optical applications
Methods, devices, and systems establish an optical surface shape that mitigates or treats a vision condition in a patient. An optical surface shape for a particular patient can be determined using...
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7984988 |
Orthokeratological contact lenses and design methods therefor
The present invention provides an orthokeratological contact lens to be worn on a patient's cornea and methods for prescribing the same. The contact lens comprises a parabolic lens having an inner...
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7967439 |
Wireless scleral search coil including systems for measuring eye movement and methods related thereto
Featured is a wireless scleral search coil that includes one or more passive, resonant coils and in a particular embodiment two orthogonal, passive, resonant coils, where each coil resonates at a...
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7901077 |
Accommodation compensation systems and methods
Methods and systems for obtaining an ocular aberration measurement of an eye of a patient are provided. Exemplary techniques involve obtaining a first induced metric for the eye that corresponds to...
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7862176 |
Method of fitting rigid gas-permeable contact lenses from high resolution imaging
A method, computer program product, and data processing system for designing a contact lens. A sagittal image of an anterior portion of an eye having a sclera is measured. Measuring is performed...
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7862169 |
Contact lenses and methods for their design
The invention provides methods for designing contact lenses in which method the lens flexure is taken into account. The method of the invention is insensitive to the lens' back surface design and...
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7731365 |
Method of fitting contact lenses
The invention provides a method of fitting lenses that results in correction of not only low and high order ocular aberrations, but that additionally provides correction for the effects of cortical...
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7717563 |
Contact lenses
Disclosed is a method of designing a soft contact lens, the method comprising the steps of: (a) measuring or defining a wavefront generated by passage of light through a selected eye and using the...
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7530689 |
Orthokeratological contact lenses and design methods therefor
The present invention provides an orthokeratological contact lens to be worn on a patient's cornea and methods for prescribing the same. The contact lens comprises a parabolic lens having an inner...
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7452081 |
Scanning ophthalmic fixation method and apparatus
An apparatus and method for treating and/or diagnosing a patient's eye. A light source produces fixation light and procedure light. A scanning device deflects the fixation light to produce a...
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7309126 |
Eye characteristics measuring device
A device for measuring eye characteristics, an operation device, and the coordinate origin and the coordinate axes of each eye are sufficiently related with one another. A measuring unit (111)...
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7296895 |
Sequential scanning wavefront measurement and retinal topography
An improved sequential scanning method and apparatus for measuring wavefront aberration involves angularly displacing a measurement beam from a parallel beam striking the corneal surface at a...
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7249851 |
Eye characteristic measuring apparatus
An eye characteristic measuring apparatus can effectively and properly measure and display wavefront aberration of an eye regardless of the eye state. A first illumination optical system (200A)...
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6752499 |
Myopia progression control using bifocal contact lenses
The present invention provides new methods and systems for treating myopia progression in myopic patients who also exhibit near point esophoria, esophoria at near, eso fixation disparity, or eso...
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6588900 |
High resolution device for observing a body
The invention concerns a device for observing a body, in particular a viewer, comprising means for illuminating (12) the body (5), means for sampling (400, 450, 500, 700) light coming from an...
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6379008 |
Method of determining the shape of an opthalmic contact lens for correcting optical aberrations of the eye beyond defocusing or astigmatism and system for implementing the method
A method of determining the shape of an ophthalmic contact lens for correcting optical aberrations of the eye beyond defocusing or astigmatism includes the steps of measuring the optical...
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RE37196 |
Apparatus and method for determining contact lenses
Apparatus and method for determining a prescription for contact lenses, comprising in cooperative combination a refractometer and a keratometer, both hooked up to a computer, comprising a program...
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6116738 |
Corneal topographer with central and peripheral measurement capability
A videokeratograph has a placido disc with rings concentric about a central axis, a center positioned on the central axis, and an observation opening at the center. A plurality of fixation points...
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6076930 |
Process for fitting a contact lens, and measuring lens for performing the process
In a process for fitting a contact lens to a human eye, the geometry of the eyeball and the back surface geometry of the lens, and the required optical corrections for the distant and near vision...
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5993001 |
Stereoscopic imaging system for retinal examination with remote examination unit
An image acquisition unit provides true color high resolution digital images of the retina of the eye to a computer network (14, 16, 18) which interfaces with a central record library and displays...
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5969793 |
Transfer and centering system for contact lenses
A method for transferring a lens-shaped article from a first support to a centered position on a second support employs a transfer tool having a slideable plunger and plunger sleeve that cooperates...
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5963299 |
Method and apparatus for measuring toric contact lens rotation
A method and apparatus for accurately observing a toric contact lens rotation for determining the prescription of a contact lens on an astigmatic eye, by providing a lens line guide alignment plate...
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5953102 |
Method for substantially objective testing of the visual capacity of a test subject
A method for testing the visual capacity of a test subject, the method including the steps of positioning the test subject relative to a visual display; exhibiting to the test subject at least one...
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5900924 |
Method for determining absolute spatial coordinates of at least one point on a reflecting surface
By localizing a location D on an optical axis, a virtual image is determined and compared with a measured virtual image. Using an iterative method, a location D can be shifted until the calculated...
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5886767 |
Keratometry system and method for measuring physical parameters of the cornea
This invention relates to certain improvements in the art of keratometry and, more particularly, to the use of television techniques to determine the shape of the corneal surface of an eye in...
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5867250 |
Apparatus and method for optically mapping front and back surface topographies of an object
Apparatus for determining the topography of a surface of an ophthalmic object comprising a projection branch for projecting along a first optical axis a projected structured light pattern onto the...
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5835190 |
Ophthalmologic curvature measuring device and method to conjointly measure a central and peripheral portion of a curved surface
An ophthalmologic curvature measuring device measures the shape of a central portion and the shape of a peripheral portion of a curved surface such as a cornea of the eye or contact lenses. The...
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5790234 |
Eyeball detection apparatus
An eyeball detection apparatus has a light-receiving device, a first determination circuit, and a second determination circuit. The light-receiving device receives a reflection image from the...
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5776999 |
Methods of using and screening extended wear ophthalmic lenses
An ophthalmic lens screening method suited for extended-wear for periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer...
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5694196 |
Experimental instrument for examining permeability of a flowing cornea and an experimental unit using said experimental instrument
An experimental instrument for examining permeability of a flowing cornea is used for imitating a lacrimal layer in the front part of a cornea or the back part of the cornea (an aqueous humor) by...
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5686981 |
Ophthalmologic device for accurately positioning a contact lens to an eye
A device of the present invention includes: apparatus for photographing an anterior eye segment of a subject; a first display device for displaying an image of the anterior eye segment; a device...
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5661218 |
Biocompatible optically transparent polymeric material based upon collagen and method of making
The present invention is biocompatible polymer containing the copolymerization product of a mixture of hydrophobic and hydrophilic acrylic and/or allelic monomers, graft-polymerized with...
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5657110 |
Method of detecting eye component information for determining sight axis direction, and sight axis direction detection apparatus
In a pupil center detection method and a pupil ring portion detection method, which can obtain a pupil center and a pupil ring portion necessary for calculating a sight axis of an eyeball from...
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5592246 |
Device and method for mapping objects
This invention provides a method and apparatus for mapping the surface of an object, in particular, a transparent object such as anterior and posterior surfaces of a patient's cornea, in a...
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5585872 |
Ophthalmic measuring apparatus for determining the shape of the cornea of an eye
An ophthalmic measuring apparatus has an optical system for measurement, a light source unit for measurement, an image pickup element for picking up the cornea reflection image of the light source...
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5570144 |
Field restrictive contact lens
A contact lens and method of use are disclosed where the lens has a vertical orienting mass and an occluded portion that restricts light passing through the portion. The occluded portion can be...
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5565939 |
Wireless ophthalmic apparatus
An ophthalmic apparatus comprises a first ophthalmic device and a second ophthalmic device. The first ophthalmic device is provided with a first examining part for examining optical characteristics...
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5555039 |
Eye measuring apparatus having an automatic fogging producing mechanism and method thereof
An eye measuring apparatus includes a refracting power detector for measuring the refracting power of an eye to be examined, a fogging producer for moving the position of a target image in the...
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5517261 |
Focusing method for a corneal topographer
A method for focusing a corneal topographer by determining the maximum intensity of a reflected light during a first focusing sweep and capturing the topographic image during a second sweep when...
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5500697 |
Ophthalmic apparatus for measuring refractive characteristic of eye to be measured
An ophthalmic apparatus measures characteristics of an eye using a projection mechanism that projects a target onto a fundus of the eye in a plurality of meridional directions in a cornea of the...
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5422688 |
Eye exercising process and apparatus
A eye exercising process and apparatus for an individual focusing on a viewable object, such as a computer monitor or television screen, and causing the object through means to slowly reciprocate...
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5418582 |
Photokeratoscope apparatus and method
An improved photokeratoscopic method and apparatus for measuring corneal curvature and topography. The principal of parallax is used by generating a reference light point outside of the relevant...
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5416538 |
Object-surface-shape measuring apparatus
An apparatus is provided for measuring the shape of a surface of an object in compact size, in easy operability and with improved measurement precision. The apparatus is provided with a measurement...
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5398084 |
Apparatus for measuring the spherical surface of the cornea
An apparatus for measuring the spherical surface of the cornea including an annular mounting frame for fastening to the microscope barrel of a refracting unit, two contact metal springs...
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