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Class 351/216 - Including lens selectively insertable in optical path


Subclass of Class 351 - Optics: eye examining, vision testing and correcting
Definition: Subject matter wherein adjustably mounted test lens(es)
No. of patents: 87
Last issue date: 10/19/2010


1      
NumberTitleIssue Date
7815312Ocular light stimulus apparatus
Stimulus light is projected from a stimulus light source onto an ocular fundus of an eye under examination to locally stimulate the retina in order to perform a biological examination. During a biological examination, first background light is projected from an illu...
10/19/2010
7690787Arrangement for improving the image field in ophthalmological appliances
The present invention is directed to an arrangement by which the image field of the illumination components and irradiation components of ophthalmic instruments for diagnosis and therapy is improved. In the arrangement according to the invention, one or more diffrac...
04/06/2010
7441898Method and apparatus for detecting natural modes of vibration of an eye by laser interferometry, and an application thereof to measuring intraocular pressure
The eye is positioned relative to a detection device in such a manner as to co-operate with the device to form a Fabry-Perot cavity having a main optical axis and comprising two opposite reflecting faces on the main optical axis, one of these two faces being constit...
10/28/2008
7434934Eye-protection apparatus, in particular retina-protection apparatus, and optical element having a free-form surface for an illumination beam path, and use of an optical element having a free-form surface
An eye-protection apparatus, in particular retina-protection apparatus, for a surgical microscope, having an illumination beam that defines an illuminated field for an object plane (14) and having an optical element (4) in the illumination beam path, w...
10/14/2008
7423807Ophthalmoscopic stereomicroscope with correction component
Microscope, especially stereoscopic microscope, with a main objective (2), a magnification system (8, 7) disposed thereafter, and a supplementary optical system (30, 32a) for carrying out intraocular surgery, wherein the supplementary opt...
09/09/2008
7413305Ophthalmologic apparatus and related positioning method
An arrangement and method for positioning an ophthalmologic device with respect to the patient's eye to be examined in x-, y- and/or z-coordinates. The device includes a controllable illumination unit, an observation system, an image recording unit, a central contro...
08/19/2008
7407285Method and apparatus for obtaining patient-verified prescription of high order aberrations
The present invention contemplates an ophthalmic adaptive-optics instrument to obtain patient-verified prescription of low and high-order aberrations. The present invention further contemplates a new and improved method and apparatus of customized corneal ablation u...
08/05/2008
7393103Operation microscope apparatus
Provided is an operation microscope apparatus for easily and speedily obtaining a suitable separation state between illumination light and observation light in a case where a front lens is replaced by another one. An illumination optical system includes a slit plate...
07/01/2008
7387386Ophthalmologic image processing apparatus
To synthesize an aperture mask having unnoticeable steps with a taken fundus image. In an image processing apparatus, taken fundus image data is inputted and then analyzed. After that, an aperture mask is selected and inputted as aperture mask data, and an image siz...
06/17/2008
7387385Surgical microscope
The invention concerns a combined surgical microscope system having a surgical microscope and a retinal diagnostic device of modified configuration having transscleral pulsed illumination. ...
06/17/2008
7369306Image reversion system, ancillary ophthalmoscopy module and surgical microscope
The invention relates to an image reversion system (500) which enables an image reversion and beam transposition of a plurality of observation beam paths (503a, 503b, 504a and 504b) to be carried out sim...
05/06/2008
7360897Fundus examination apparatus
A fundus examination apparatus includes an illumination optical system (20), which illuminates a fundus by fundus illumination light, an imaging optical system (21), which photographs a fundus image based on a polarization property of reflected illumin...
04/22/2008
7344246Observation apparatus
An observation apparatus is provided. An apex angle of a contact prism is inputted by operating an apex angle setting knob of a control panel. A fining angle of the contact prism is inputted by operating a fitting angle setting knob. A control unit determines the am...
03/18/2008
7338164Systems and methods for eye aberration and image sensor orientation
Systems and methods orient sensors of an optical system that measures aberrations of an eye. The aberration measurement system may include an optical aberration sensor and an eye image sensor. An asymmetric feature can be imposed in an optical beam path so as to int...
03/04/2008
7290880System and method for producing a stereoscopic image of an eye fundus
A stereoscopic opthalmoscope for producing a stereoscopic image of an eye fundus, the stereoscopic opthalmoscope including a light source, for emitting a light beam, a light deflector, optically coupled with the light source, for deflecting the light beam into an ey...
11/06/2007
7264354Method and apparatus for correcting vision using an electro-active phoropter
An electro-active phoropter and a method of using the electro-active phoropter to measure a patient's vision prescription is disclosed. The electro-active phoropter includes a series of individually addressable electro-active lenses. The lenses have either a positiv...
09/04/2007
7255440Keratectomy data determining device and keratectomy data determining program
The purpose of the present invention is to provide a corneal-ablation-data determining apparatus and a corneal-ablation-data determining program capable of controlling corneal ablation amount distribution and expanding ablation applicability. In the present inventio...
08/14/2007
7232999Laser wavefront characterization
The device and method of the present invention are useful for determining the characteristics of an infrared wavefront. The present invention involves positioning a beam of light containing the infrared wavefront to be characterized onto a distorted grating, using t...
06/19/2007
7232222Operation microscope
Provided is an operation microscope where manipulations to be performed in response to switching between methods for observing an eye to be operated are performed in an interlocked manner, thereby improving manipulability. When recognizing that a change-over switch ...
06/19/2007
7198367Fundus imaging apparatus and fundus imaging method
A fundus imaging apparatus comprises: a beam emitter which simultaneously emits a first laser beam and a second laser beam having a different wavelength from the first beam; an irradiation optical system having a beam scanner which scans the emitted first and second...
04/03/2007
7195354Adaptive ophthalmologic system
A system for improving vision that can diagnose monochromatic aberrations within a subject's eyes, apply the wavefront correction, and then enable the patient to view the results of the correction. The system utilizes a laser for producing a beam of light; a correct...
03/27/2007
7150530Variable spot size illuminator having a zoom lens
The present invention provides variable spot size illuminators that provide a light spot on a treatment plane by utilizing a zoom lens to direct light received from an image of a light source formed on an intermediate image plane onto the treatment plane. The zoom l...
12/19/2006
7144112Optometric apparatus
An optometric apparatus (2) includes a rotary prism (136a, 136b) disposed in front of the eye (E), for adding a prism degree to the eye (E); a rotation device including a pulse motor (181, 184) and a rotation transmitting me...
12/05/2006
7139454Methods for signal transmission in optical fiber
This disclosure concerns methods for transmitting a signal in an optical system. In one example, the method begins when an optical signal is generated. Then, the optical signal is manipulated such that the optical signal defines a substantially annular intensity pro...
11/21/2006
7118219Test tool for optometry
An test tool for optometry includes a lens holding frame and a clip. The lens holding frame pivotally supports a trial lens to be mounted. The clip is attached to a rear side of the lens holding frame to clamp glasses. The lens holding frame has a pair of axi-symmet...
10/10/2006
7092152Optical device for releasable attachment to a microscope
A removable optical device with at least one lens for releasable attachment to a microscope suited for contact-free observation of an eye, which can be arranged between the objective of the microscope and the eye in the optical axis of the microscope. A drive device...
08/15/2006
7081993Ophthalmologic operation microscope
Disclosed is an observation apparatus capable of eliminating in a suitable manner astigmatism and chromatic aberration generated in an observed image. The apex angle θ of a contact prism is input by operating an apex angle setting knob of a control panel, and the a...
07/25/2006
7080906Translating bifocal wear modality
The invention discloses a pair of bifocal contact lenses: one lens for dominant eye and one lens for non-dominant eye. Both lenses have an optical zone divided into a superior zone and an inferior zone. The superior zone of the lens for dominant eye is for distance ...
07/25/2006
7077522Sharpness metric for vision quality
A vision metric, called the sharpness metric, indicates the subjective sharpness of a patient's vision by taking into account both the wavefront aberration and the retinal response to the image. A retinal image quality function such as the point spread function is c...
07/18/2006
7070276Apparatus and method for accommodative stimulation of an eye and simultaneous ipsilateral accommodative imaging
An apparatus comprising an accommodative stimulation device, an electromagnetic wave exposure device, and an imaging device. The apparatus acquires imaging information about an eye by means of the electromagnetic wave exposure device and the imaging device as the ap...
07/04/2006
7027220Ophthalmologic operation microscope
Disclosed is an observation apparatus capable of eliminating in a suitable manner astigmatism and chromatic aberration generated in an observed image. The apex angle θ of a contact prism is input by operating an apex angle setting knob of a control panel, and the a...
04/11/2006
7023613Operation microscope and observation prism
There are provided an operation microscope and an observation prism which are capable of conducting a high-visibility observation with less glare. The operation microscope includes an objective lens opposed to an eye to be operated, a front lens which is provided be...
04/04/2006
7010202Variable field of view optical system
A variable field of view optical system and method comprising providing a forward curved optical element, providing a rearward optical element comprising an axially gradient index material, providing a curved focal surface, and conveying an image on the curved focal...
03/07/2006
6967774Microscope for the wide-angle viewing, in particular for eye surgeries
Provisions must be made in surgery microscopes for eye surgeries through the selective adding of optics so that a non-reversed and erect-standing image can be produced including that of the fundus of the eye. A device for the image reversion is fastened on the micro...
11/22/2005
6942342Clinical refractive instruments
A clinical refractive instrument is described for adjusting dioptric power according to three orthogonal axes. The instrument includes a viewing aperture, a plurality of spherical lenses and a pair of cylindrical lenses. The plurality of spherical lenses are adjusta...
09/13/2005
6937390Operation microscope apparatus
An operation microscope apparatus includes: an operation microscope (25) supported to a pillar through an electrically-operated elevating device for rough-motion (first upward-and-downward micro motion device 17); a lens support arm (51) support...
08/30/2005
6934088Optical elements and methods for making thereof
Optical elements are made using micro-jet printing methods to precisely control the type, position and amount of polymer deposited onto a substrate. In preferred embodiments, the proportions of two or more different polymer compositions are varied over the course of...
08/23/2005
6930828In vitro fertilization microscope
A dual stereo-compound microscope that is enabled to change between stereoscopic observation and compound observation while illuminating a sample with illumination. While shifting between a stereoscopic view and a compound view, the sample being viewed remains parce...
08/16/2005
6860603BEST CORRECTED VISUAL ACUITY CHARACTERISTICS MEASURING DEVICE, BEST CORRECTED VISUAL ACUITY CHARACTERISTICS MEASURING METHOD, CONTRAST SENSITIVITY MEASURING DEVICE, CONTRAST SENSITIVITY MEASURING METHOD, AND CONTRAST SENSITIVITY TARGET DISPLAYING DEVICE
A device comprises a refraction correcting part 700 for correcting refraction of an eye 400 to be examined of a subject; an adjusting state measuring part 800 for measuring whether a target observed by the eye 400 through the refraction c...
03/01/2005
6761454Apparatus and method for determining objective refraction using wavefront sensing
An apparatus for determining the objective refraction of a patient's eye includes a transparent window and a wavefront measurement device that determines aberrations in a return beam from the patient's eye after the beam passes through a corrective test lens in the ...
07/13/2004
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