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7611245 |
Placido projector for corneal topography system
A placido projector for a corneal topography system includes a substrate having dielectric phosphor. The substrate is configured to be activated by electric current and responsive to emit light. A...
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7611244 |
Adaptive optics for compensating for optical aberrations in an imaging process
A device to compensate for asymmetrical aberrations in a beam of light includes at least one dual compensator positioned on the beam path. Structurally, the dual compensator includes two juxtaposed...
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7604353 |
Deformable mirror device and apparatus for observing retina of eye
It is made possible to improve the variations in the “generated force (load)—deflection characteristics”. A deformable mirror device includes: a substrate; a plurality of electrodes provided...
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7604351 |
Optical image measurement device and optical image measurement method
An optical image measurement device comprises: an interference-light generator configured to generate an interference light by splitting a low-coherence light into a signal light and a reference...
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7597444 |
Ophthalmological device
An ophthalmological device ( 1 ) comprises a controllable optical correction element ( 14 ) for the variable modulation of the wavefront of deflected femtosecond laser pulses. A control module ( 13...
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7594730 |
Method and apparatus for displaying OCT cross sections
OCT cross section images of a part of a curved object are displayed by creating a series of image points and placing each image point into a corrected image in such a way that the positions of...
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7594729 |
Wavefront sensor
The present invention relates to a wavefront sensor using a pair of screens, each having a two-dimensional array of circular apertures, to achieve Moiré effects, and its use to measure the slope...
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7578593 |
Eye monitoring method with glare spot shifting
The face of a human subject is alternately illuminated by first and second sources of active illumination disposed above and below a video camera that captures images of the subject's face. Glare...
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7575322 |
Auto-alignment and auto-focus system and method
A patient positioning system for use with a patient comprises an optical image sensor. The optical image sensor measures an optical image of a tissue structure of an eye of the patient. An image...
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7575321 |
Apparatus and method of diagnosis of optically identifiable ophthalmic conditions
An apparatus that can measure images of at least a portion of an eye and record data sets indicative of a neurological condition. A method interrelates an image and a data set to provide an...
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7568802 |
Eye-safe near infra-red imaging illumination method and system
A method and system for eye-safe near infra-red (NIR) optical imaging illumination. An eye of an intended subject are imaged with visible light or NIR light at an unconditionally eye-safe...
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7566131 |
Refraction measuring instrument
A refraction measuring instrument for measuring the refraction of an eye to be examined while the subject is viewing an external object in a more natural posture. A measuring light beam from a...
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7566130 |
Ophthalmologic image taking apparatus
An ophthalmologic image taking apparatus includes: an image taking optical system for taking an optical image of an eye to be examined; an electronic image taking portion for converting the optical...
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7566128 |
Fundus observation device, fundus image display device and fundus observation program
To provide a technology that makes it easy to capture a positional relation of a 2-dimensional image of the surface of a fundus oculi and a tomographic image of the fundus oculi. The fundus...
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7556379 |
Ophthalmologic apparatus
An ophthalmologic apparatus according to an exemplary embodiment of the present invention determines the photography light amount suitable for picking up still images of a fundus and the...
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7553022 |
System and method of measuring and mapping three dimensional structures
A system for mapping a three-dimensional structure includes a projecting optical system adapted to project light onto an object, a correction system adapted to compensate the light for at least one...
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7553020 |
Medical diagnostic instrument with variable focus liquid lens
A diagnostic instrument includes an illumination system for providing illuminating light and an imaging system for directing the illuminating light to a target and for transmitting light reflected...
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7549752 |
Method of detecting glaucoma
The present invention relates to a method, including the steps of mapping at least a portion of the fundus of the eye by forming a plurality of pixels, estimating the oxygen saturation level at...
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7549749 |
Visual stimulator
The present invention relates to a visual stimulator, which comprises a light stimulation source, a regulable attenuator of light, mirrors for reflecting light and light detectors. The visual...
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7549748 |
Fixation light indicator for slit lamp
A slit lamp includes a rest for receiving a patient's face such as the patient's forehead. The slit lamp further includes an optical portion for observing the patient's eye. A fixation light is...
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7549747 |
Ophthalmologic imaging system
An ophthalmologic imaging system comprises: a retinal camera having an illuminating optical system configured to project an illuminating light onto fundus oculi of a subject and an imaging optical...
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7549745 |
Apparatus and method for correcting for aberrations in a lens system
A method and apparatus for compensating for aberrations or distortions of an optical system such as an eye of a patient which is to be imaged by a camera is disclosed. Light passing through the...
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7543939 |
Device and method for recording and representing images of a test object
The invention relates to an illumination system comprising at least one beam path with means for simultaneously illuminating the test object within at least one reference wavelength range and at...
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7540613 |
Device to monitor retinal ischemia
A battery powered, hand held device to determine of there is significant retinal ischemia in the eye of a patient. The device detects the consequences of impaired blood flow in the eye of the...
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7537340 |
Ophthalmologic imaging apparatus
A pulse light source section outputs a plurality of pulse light according to the exposure timing of a retina imaging device. A retina illumination system illuminates the retina of an eye under...
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7533992 |
Light source for diagnostic instruments
A new light source (e.g. LEDs) enables new designs in all or some key elements within diagnostic instruments. New light sources allow improvements in life of light source, infra red emitted, power...
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7533991 |
Ophthalmological appliance comprising an eye tracker
The present invention is directed to an arrangement and a method for eye examination and/or for determining biometric eye data in which the movement of the eyes is compensated through the use of an...
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7533989 |
Sight-line detection method and device, and three-dimensional view-point measurement device
Method and device for detecting a line-of-sight of a subject and a three-dimensional view-point measurement device. The method uses a first camera, that measures the position of a pupil relative to...
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7530692 |
Ophthalmologic photographing apparatus
Horizontal and vertical scanning mirrors for scanning over a large angle, and horizontal and vertical compact scanning mirrors for scanning over a small angle are disposed at pupil-conjugated...
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7527380 |
Ophthalmological measuring device
An ophthalmological measurement apparatus ( 1 ) is proposed which comprises a first measurement system and a second measurement system. The first measurement system comprises a first light...
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7524064 |
Apparatus and method for assessing retinal damage
The invention administers an objective clinical test to an eye that measures the visual sensitivity of the superior retina and the inferior retina, by alternately presenting a stimulus pair...
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7520614 |
Portable video oculography with region of interest image processing
A goggle based light-weight VOG system includes at least one digital camera connected to and powered by a laptop computer through a firewire connection and allows for region of interest image...
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7513621 |
Ophthalmic operative keratometer with movable fixation/centration device
Provided is an operative keratometer consisting of a built-in bright LED ring light, which uniquely provides immediate direct preoperative confirmation to the ophthalmologist of the proper meridian...
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7513619 |
High resolution laterial and axial tomography
An in-vivo high resolution lateral and axial tomography system of the retina, is provided, including a Michelson interferometer, generating a tomographical image by full field OCT interference with...
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7512436 |
Method of evaluating metabolism of the eye
A method and apparatus for measuring the retinal auto-fluorescence of a subject retina includes an excitation light source for providing an excitation light at a wavelength of at least 450 nm and...
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7510283 |
High resolution imaging for diagnostic evaluation of the fundus of the human eye
A system for diagnostically evaluating the health of tissue within the fundus of an eye includes a fs laser source, an adaptive optical assembly, an imaging unit, and a computer. The adaptive...
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7506981 |
Image acquisition/output apparatus and ophthalmology picture system using the same
The present invention is related to an image acquisition/output apparatus and a picture system for ophthalmic operation using the same. The picture system for ophthalmic operation according to the...
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7503655 |
Methods and apparatuses for altering relative curvature of field and positions of peripheral, off-axis focal positions
A method and apparatus are disclosed for controlling optical aberrations to alter relative curvature of field by providing ocular apparatuses, systems and methods comprising a predetermined...
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7503654 |
Pupil reaction ascertaining device and fatigue recovery promoting device
It is an object of the present invention to provide a pupillary reflex checking apparatus that enables a subject to check his own pupillary reflex and that keeps down cost and to provide a fatigue...
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7500753 |
Optical system for a fundus camera
The invention is directed to an optical system for a fundus camera in which lens pairs are tilted relative to the imaging beam path to prevent flare. This tilting is carried out in two planes and...
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7500751 |
Ocular fundus portion analyzer and ocular fundus portion analyzing method
An ocular fundus portion analyzer and the method are provided for attaining accurate and quick detection and diagnoses of an ocular fundus defect portion, such as an excavation of an optic disk...
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7488073 |
Pupillary reflex-based patient classification
A method, system and device for detecting an ocular dysfunction with optic neuropathy, such as the glaucoma group of diseases. More particularly, one eye is exposed to a series of flashes, and the...
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7488070 |
Optical measuring system and optical measuring method
An optical measuring system, including at least one radiation source; a first beam splitter; a second beam splitter; an OCT detector; a wavefront detector which is different from the OCT detector;...
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7478909 |
Opthalmologic apparatus
In an ophthalmologic apparatus, the coordinates of three illuminated spots on a cornea-reflected image calculated from a front eye part image picked up by a two-dimension image pickup element and a...
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7478908 |
Apparatus and method for determining a position of an eye
An apparatus for determining a position of a subject's cornea, comprising a camera, a first illumination apparatus adapted to provide a first beam of light and a first diffuse portion of light that...
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7467870 |
Reflectometry instrument and method for measuring macular pigment
A reflectometry instrument includes a light source, a spectrometer, and a first and second lens. The light source emits an illumination beam to the macula. The spectrometer measures a detection...
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7465050 |
Method and apparatus for three-dimensional video-oculography
A device for measuring the three-dimensional movements of an eye includes: (a) a mark array that identifies prescribed positions on the eye whose movements are to be measured, (b) a digital camera...
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7455408 |
Method and apparatus for reducing visual aberrations
A light source is situated on a headgear device and placed to direct light toward the pupil of the eye at an intensity that causes the iris to constrict, resulting in a smaller pupil. This prevents...
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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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7452078 |
Eye refractive power measurement apparatus
An eye refractive power measurement apparatus by which an examiner can properly check reliability of a measurement result while time and effort of the examiner are saved. The eye refractive power...
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