Patents
Patents for A61B 3 - Apparatus for testing the eyes; Instruments for examining the eyes (22,654)
03/1993
03/17/1993EP0532436A1 Fixation card attachment for retinoscope
03/17/1993CN1069873A Ophthalmic diagnostic apparatus and method
03/16/1993US5194882 Keratographic instrument using holographic placido illuminator to reduce alignment sensitivity
03/16/1993US5193541 Health examination method and system using plural self-test stations and a magnetic card
03/10/1993EP0530256A1 Device for observing and/or recording eye movements
03/10/1993EP0530184A1 Methods and apparatus for use in alpha training, emb training and dichotic learning.
03/10/1993EP0329757B1 Apparatus for determining the contour of the cornea of a human eye
03/09/1993US5191897 Self-adherent eye occluder
03/04/1993WO1993003665A1 Portable intraocular pressure measurement method and apparatus
03/04/1993DE4227942A1 Slit diaphragm lamp illumination unit used for eye inspection - has light source of high intensity and slit diaphragm also imaging unit consisting of at least two optical systems and fibre optic light conductor
03/03/1993CN1069404A Spectral division of reflected light in complex optical diagnostic and therapeutic systems
03/02/1993US5191367 Instrument and method for use in optometric examinations
03/02/1993US5190042 Apparatus for determining intraocular pressure
03/02/1993CA1314033C Slit lamp instrument with fill-in illumination
03/02/1993CA1314032C Diffusion platelet
02/1993
02/24/1993CN2127298Y Cataract quantitative analyzer
02/23/1993US5189556 Color photography optical system
02/23/1993US5189450 High magnification ophthalmic lens
02/23/1993US5189449 Retinoscope with external control sleeve
02/18/1993WO1993002614A1 Apparatus for testing visual acuity and/or sensitivity to spatial contrasts in man, and device and process for the manufacture thereof
02/18/1993CA2113732A1 Apparatus for testing visual acuity and/or sensitivity to spatial contrasts in man, and device and process for the manufacture thereof
02/16/1993US5187507 Method of and apparatus for diagnosing peripheral field defects and other peripheral retinal damage
02/16/1993US5187506 Method and apparatus for determining physiological parameters based on pupil response
02/16/1993US5186173 Method for in vivo measurement of oxygen concentration levels
02/04/1993WO1993001745A1 Measuring molecular change in the ocular lens
02/04/1993WO1993001744A1 Automatic, subjectively controlled refraction device
02/03/1993EP0525000A1 Laser device for treating the fundus of the eye
02/02/1993US5184157 Ophthalmic measurement apparatus
02/02/1993US5183044 Noncontact type tonometer
01/1993
01/27/1993CN1068261A Infant eyesight test instrument
01/21/1993WO1993000854A1 Device and method for positioning and relaxing accommodation of the eye
01/21/1993DE4223144A1 Opto-metric appts. for measuring visual acuity and refractive power - projects and reflects optical image of test card towards eye of subject using subjective refractor with position control
01/21/1993DE4215523A1 Eye-view point detection unit for video or still picture camera - has pupil position detector and microprocessor to establish if deviation between two obtained view point data exceeds determined normal value
01/21/1993DE4124056A1 Automatic, subjectively controlled device for adaptation of eye glasses
01/21/1993DE4123656A1 Vertically guided weight, e.g. support, adjusting appts. for medical optical equipment - has compensation for effects of gravity realised using idler and friction ring
01/21/1993DE4122752A1 Video imaging of eye to determine line of sight - using infrared flashes during open period of electronic shutter in CCD video camera
01/21/1993CA2113087A1 Device and method for positioning and relaxing accommodation of the eye
01/19/1993US5181055 Fundus camera
01/19/1993US5180907 Method and apparatus for the measurement of rapid light variation superimposed on a slowly changing background light intensity
01/19/1993US5179953 Portable diurnal intraocular pressure recording system
01/13/1993CN1067804A Apparatus and method of identifying signals in biological tissues
01/12/1993US5179466 Device for projecting light spots onto a surface
01/07/1993WO1992013363A3 Light emitting diode bars and arrays and method of making same
01/07/1993DE4221289A1 Clear view test mark indicator for eye testing - has test mark selector with selection keys operated by sequential selection of test marks
01/07/1993DE4221038A1 Ophthalmological appts. for photographing eye - detects light from source and corrects stored image data accordingly to maintain constant image density
01/05/1993US5177512 Eyeball microscope
01/05/1993US5177511 Apparatus for producing images of an object and in particular for observing the rear portions of the eye
01/05/1993US5176147 Method and apparatus for detecting optic neuropathy
01/05/1993US5176139 Method for estimation of intraocular pressure using free-falling ball
12/1992
12/30/1992EP0519931A1 Compact keratoscope with interchangeable cones.
12/30/1992CN2126047U Myopia visual chart illuminator
12/29/1992US5174292 Hand held intraocular pressure recording system
12/24/1992DE4120037A1 Eye fixation control method for ophthalmological measurements - using digitised image of dye from video camera and rejecting measurements when eye is closed by blinking
12/23/1992WO1992022251A1 Method for testing visual functioning
12/22/1992CA1311637C Apparatus and method for self-examination of the eye and surrounding facial areas
12/22/1992CA1311608C Optical alignment system
12/10/1992WO1992021999A1 Gaze tracking for field analyzer
12/10/1992WO1992021290A1 High magnification ophthalmic lens
12/09/1992EP0511227A4 Single aperture confocal scanning biomicroscope
12/08/1992US5170193 Apparatus and method of identifying signals in biological tissues
12/03/1992DE4117754A1 Binocular refraction measuring device for testing eyesight
12/02/1992EP0516272A1 Ophthalmic measurement method
12/02/1992CN2123286U Synchronistic focusing light source magnifying glass
11/1992
11/25/1992CN2122596U Rotary visual chart
11/24/1992US5165415 Self contained hand held ultrasonic instrument for ophthalmic use
11/24/1992US5165409 For measuring pressure within an eye
11/24/1992US5165408 Gas jet shooting device for use with a non-contact tonometer
11/24/1992CA1310742C Method and system for generating a description of the distribution of looking time as people watch television commercials
11/19/1992EP0513970A2 Ophthalmic measurement apparatus
11/19/1992DE4116401A1 Self-observation of fundus of eye in region of yellow spot - facilitates observation of fine blood vessels of choroid also microscopic haemorrhages and irregularities of funous of eye in region of yellow spot
11/18/1992CN2121919U Multipurpose pen for ophthalmology exammination
11/17/1992US5164750 Aspheric surface topographer
11/17/1992US5163437 Ophthalmic measuring device
11/12/1992WO1992019930A1 Method and apparatus for optical imaging and measurement
11/12/1992WO1992019160A1 Method and apparatus for detecting optic neuropathy
11/12/1992WO1992019149A1 Binocular device for determination of refraction
11/12/1992DE4113536A1 Binocular sight testing device - uses electrically controlled devices in light path between polarised test characters and each eye
11/11/1992EP0512518A1 Slit lamp microscope
11/11/1992EP0512443A1 Visual testing system
11/11/1992CA2068359A1 Attachment device for an exophthalmometer
11/04/1992EP0511227A1 Single aperture confocal scanning biomicroscope
11/04/1992CN2120548U Light-box for electronic two-light source visual testing chart
10/1992
10/29/1992WO1992018843A1 Method for detecting aqueous flare and cmv retinitis in hiv patients
10/29/1992WO1992018050A1 Nystagmograph
10/28/1992CN2119889U Audio-visual range finding colorimetric additional mirror for crevice lamp
10/27/1992US5159361 Method and apparatus for obtaining the topography of an object
10/21/1992EP0509903A1 Process and apparatus for measuring axial eye length
10/20/1992US5157428 Spectral division of reflected light in complex optical diagnostic and therapeutic systems
10/20/1992US5157427 Objective refractor
10/20/1992CA1308948C Topography measuring apparatus
10/13/1992US5155516 View finder optical system with eye direction detection device
10/13/1992US5155509 Oblique illumination device for use with an ophthalmic microscope
10/13/1992CA1308590C Opthalmoscope
10/07/1992EP0506948A1 Apparatus and method for topographical analysis of the retina
10/06/1992US5152295 Fundus examination device
10/06/1992US5152067 Apparatus for measuring interpupilary distance of mounted spectacles
10/06/1992CA1308285C Unidirectional occluder
09/1992
09/29/1992CA1308169C Anaesthetic monitor
09/23/1992CN1064607A Automatic eyesight testing apparatus with computer
09/22/1992US5150137 Positioning system for pupil imaging optics