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Retinal function measurement apparatus

Patent Number: RE44226
Publication Date: 2013-05-21
Inventor:

A retinal function measurement apparatus capable of measuring a retinal function accurately and precisely. The apparatus has a first image obtaining optical system for obtaining a tomographic image of a fundus by optical coherence tomography using low coherent light, the optical system including a light source emitting the low coherent light, a scanning unit scanning measurement light being a part of the emitted low coherent light on the fundus, an interference optical system for ...

Auto-phoropter interface and computer monitor filter

Patent Number: 8444270
Publication Date: 2013-05-21
Inventor:

An interface for allowing communication between an auto-phoropter and a computer with visual acuity testing software. An adjustable filter for a computer monitor used with a computer with visual acuity testing ...

Digital imaging ophthalmoscope

Patent Number: 8444269
Publication Date: 2013-05-21
Inventor:

An ophthalmoscope. Implementations include a handle coupled to a head where the head includes a front section coupled with a diopter wheel and the front section includes a view window. A back section fixedly attached to the front section includes a diopter number viewer, a trigger button, and a digital imaging section. The digital imaging section may include a liquid crystal display (LCD) screen. The trigger button may be adjacent to the handle and may be positioned opposite the front ...

Stabilized retinal imaging with adaptive optics

Patent Number: 8444268
Publication Date: 2013-05-21
Inventors: ; ; ;

A system provides an optical image of an object. A first module tracks a reference feature of the object. A second module includes a source for an imaging beam, a scanning device to move the imaging beam along a portion of the object and a detection device receives a signal associated with an image of the portion of the object. The first module controls the position of the imaging beam relative to the reference feature to correct for the motion of the object. A third module detects a ...

Illuminated eyewear

Patent Number: 8444266
Publication Date: 2013-05-21
Inventor:

Illuminated eyewear is provided. In one form, the temple arm members have all the lighting components mounted thereto including for each temple arm member a light, power source for the light, and electrical connections including a switch for providing power from the power source to the light. In another form, the cross-frame member has blinder portions integrally formed at either end thereof which are configured to block stray light to avoid glare problems. The blinder portions preferably ...

Eyeglass earstem with enhanced performance

Patent Number: 8444265
Publication Date: 2013-05-21
Inventors: ; ; ;

An enhanced performance earstem for eyeglasses is provided that can incorporate one or more flex zones or points along the length of the earstem. In some embodiments, the earstem can comprise an elongate body having an anterior end and a posterior end and at least a first segment and a second segment on the body having a first flex zone or point disposed at least partially therebetween. A center of the first flex zone or point can be within a given range from the anterior end. Further, some ...

Upconverting device for enhanced recogntion of certain wavelengths of light

Patent Number: 8444264
Publication Date: 2013-05-21
Inventors: ; ; ;

An upconverting device for enhanced recognition of selected wavelengths is provided. The device comprises a transparent light transmitter in combination with a plurality of upconverting nanoparticles. The device may a lens in eyewear or alternatively a transparent panel such as a window in an instrument or machine. In use the upconverting device is positioned between a light source and the eye(s) of the user of the upconverting ...

Algorithms and methods for determining aberration-induced vision symptoms in the eye from wave aberration

Patent Number: 8439502
Publication Date: 2013-05-14
Inventor:

Aberration-induced vision symptoms are determined by obtaining at least one wave aberration of an eye, calculating at least one point-spread function from the wave aberration, convolving the point-spread function of eye with at least one specially designed image for night vision diagnosis, and determining at least one aberration-induced vision symptom of the tested eye from the convolved images. The specially designed images are for vision diagnosis of aberration-induced glare, halo, ghost ...

Diagnosis of optically identifiable ophthalmic conditions

Patent Number: 8439501
Publication Date: 2013-05-14
Inventors: ;

An apparatus for performing multiple procedures involving the eye. The apparatus includes an imager for imaging at least a portion of an eye of a patient, a data collection apparatus for collecting a data set corresponding to at least a portion of an eye of a patient, and a data analysis module. The imager is configured to provide image data. The data collection apparatus is configured to provide data indicative of a neurological disorder. The data analysis module interrelates the image ...

Method and apparatus for simulating an optical effect of an optical lens

Patent Number: 8434870
Publication Date: 2013-05-07
Inventor:

A method of simulating an optical effect of an optical lens for a potential wearer, the method comprising: using a first camera to take a first image of a scene through a first optical lens, the first optical lens having optical characteristics according to a first ophthalmic lens design, the first camera being provided with optics arranged to simulate the optical characteristics of a human eye; and displaying the first image on a display device for viewing by the potential wearer enabling ...

Automated locking apparatus for a slit lamp

Patent Number: 8434869
Publication Date: 2013-05-07
Inventor:

An apparatus mounted proximate to or on a base of a slit lamp illumination unit operates to automatically lock or secure the illumination unit in a stationary position after each eye examination and further operates to unlock it just before each examination. The apparatus may take the form of a threaded rod that replaces the conventional thumbscrew. The threaded rod is rotated by a motor, which receives instructions from a controller, both located within a housing. A touch sensor on the ...

Eye-gaze tracking device, eye-gaze tracking method, electro-oculography measuring device, wearable camera, head-mounted display, electronic eyeglasses, and ophthalmological diagnosis device

Patent Number: 8434868
Publication Date: 2013-05-07
Inventor:

An eye-gaze tracking device, which detects a gaze direction of a user based on an electro-oculogram, includes: a drift estimating unit which estimates drift noise included in a set of observation voltages among observation voltages that are electro-oculograms generated in a living body and observed at the plurality of electrodes, based on a component outside an electro-oculography subspace that is an assembly of sets of electro-oculograms theoretically observed at a plurality of electrodes; ...

Finding sequential matches in eye tracking data

Patent Number: 8434867
Publication Date: 2013-05-07
Inventors: ;

Embodiments of the invention provide systems and methods for analyzing eye tracking data. The eye tracking data can represent a number of different scanpaths and can be analyzed, for example, to find patterns or commonality between the scanpaths. According to one embodiment, a method of analyzing eye tracking data can comprise receiving the eye tracking data which can include a plurality of scanpaths, each scanpath representing a sequence of regions of interest on a stimulus image. A ...

Eyeglasses with a printed circuit board

Patent Number: 8434863
Publication Date: 2013-05-07
Inventors: ; ;

In one embodiment, an eyeglass frame includes a lens holder, a first temple with a first end close to the lens holder and a second end, a second temple, an electrical connector and a printed circuit board. The printed circuit board with at least one electrical component can be in the first temple. The connector can be close to the first end of the first temple, facing downward, and electrically connected to the at least one electrical component. In another embodiment, an eyeglass frame ...

Kit of higher order aberration contact lenses and methods of use

Patent Number: 8430511
Publication Date: 2013-04-30
Inventor:

The present invention provides a kit of contact lenses, comprising two or more contact lenses having a known higher order aberration for each given lens power. By way of example, the higher order aberration may comprise a spherical aberration, a coma aberration, or a trefoil aberration. A practitioner selects a lens from the kit and applies the lens to a patient's eye and measures a residual higher order aberration of the lens-eye system. In cases where the residual higher order aberration ...

Noise reduction device, electro-oculography measuring device, ophthalmological diagnosis device, eye-gaze tracking device, wearable camera, head-mounted display, electronic eyeglasses, noise reduction method, and recording medium

Patent Number: 8430510
Publication Date: 2013-04-30
Inventor:

A noise reduction device includes: a saccade information obtaining unit that obtains saccade information from an electro-oculography original signal that indicates an electro-oculogram resulting from an eye movement of a user, the saccade information relating to a saccadic movement which is a rapid eyeball movement; a control unit that determines a filter property for reducing noise included in the electro-oculography original signal, on the basis of the saccade information obtained by the ...

Light irradiation apparatus, adaptive optics apparatus, and imaging apparatus including the same

Patent Number: 8430509
Publication Date: 2013-04-30
Inventor:

A light irradiation apparatus includes an optical power acquiring unit configured to acquire an optical power of light emitted by a light source and with which an object is irradiated; an optical power adjusting unit configured to adjust the optical power of light emitted by the light source to a predetermined optical power in accordance with an acquisition result obtained by the optical power acquiring unit; and an irradiation unit configured to irradiate the object with the light that is ...

Eyewear with touch-sensitive input surface

Patent Number: 8430507
Publication Date: 2013-04-30
Inventors: ; ;

In one embodiment, an eyewear for a user includes an eyewear frame, electrical circuitry at least partially in the eyewear frame, and a touch sensitive input surface on the eyewear frame configured to provide an input to the electrical circuitry to perform a function via touching the touch sensitive input surface. In another embodiment, the eyewear includes a switch with at least two operational states. The operational states of the switch can be configured to be changed by sliding a finger ...

Eyeglasses with snap-fitted lenses

Patent Number: 8430506
Publication Date: 2013-04-30
Inventor:

The present invention provides eyeglasses with snap-fitted lenses, in which a hook of a fastener is snap-fitted into a locking notch of a corresponding lens. Thus, the removal and insertion of the lenses can be easily carried out to facilitate the repair and exchange of the ...

Curved lenses configured to decode three-dimensional content

Patent Number: 8430505
Publication Date: 2013-04-30
Inventors: ;

Curved lenses configured to decode three dimensional content and method of fabricating the same. The lenses comprise a polyvinylalcohol polarizer film laminated with triacetate on both sides, wherein the polarizer film has a polarizing efficiency equal to or exceeding 99% and a transmittance percentage equal to or exceeding 35% and a retarder film (e.g., norbornene copolymer resin) laminated on a front surface of the polyvinylalcohol polarizer film laminated with triacetate and aligned to ...