Patents
Patents for A61B 3 - Apparatus for testing the eyes; Instruments for examining the eyes (22,654)
08/1993
08/17/1993US5237356 Fundus camera photographic optical system
08/17/1993US5237351 Change in optical distance
08/17/1993US5237350 Ophthalmic photographic apparatus using a fluorescent agent
08/11/1993EP0554643A1 High-sensitivity system for examining an object using a low intensity light source
08/11/1993CN2140068Y Joining device for operation microscope and corneal thickness surveyor
08/11/1993CN1075214A Discriminating method and apparatus for fine difference of images
08/10/1993US5235361 Stereoscopic vision testing apparatus
08/10/1993US5235360 For measuring the field of vision of a patient
08/05/1993WO1993014692A1 High speed eye tracking device and method
08/05/1993WO1993014691A1 Refraction device for the subjective determination of the spherical and astigmatic sight properties of the eye
08/03/1993US5233517 Early glaucoma detection by Fourier transform analysis of digitized eye fundus images
08/03/1993US5233373 Retinal-projection system
08/03/1993US5233372 Illuminating optical device
08/02/1993CA2088279A1 Method and device to detect small differences between two images
07/1993
07/27/1993US5231674 Eye tracking method and apparatus
07/27/1993US5231430 Ophthalmic apparatus
07/27/1993US5230347 Apparatus and method for measuring tactile sensation localized on the optic cornea
07/22/1993WO1993013705A1 Tonometer
07/21/1993EP0551955A1 System for determining the topography of a curved surface
07/21/1993CN2138874Y Electronic light modulator for split lamp
07/15/1993DE4200332A1 Non invasive qualitative and quantitive determining of substances in body liquid - executed by exposing suitable body places or regions to significant radiation e.g. IR radiation emanating from selective radiation sources each of which is changeable.
07/13/1993US5227818 Apparatus for determining the contour of the cornea of a human eye
07/13/1993US5226903 Apparatus for ophthalmic operation using photocoagulation by a laser beam
07/06/1993US5225862 Visual axis detector using plural reflected image of a light source
07/06/1993US5225859 Apparatus and method for capture and processing of ocular and retinal images
06/1993
06/29/1993US5223866 Small, simple and cost-effective scheiner-principle optometer with computer interface for automated assessment
06/29/1993US5223865 Method and apparatus for measuring visual function
06/29/1993US5223864 Phoropter
06/29/1993US5223863 Binocular ophthalmoscope with tilting mirror
06/23/1993EP0547931A1 Process and apparatus to measure the movements of the eyes
06/22/1993CA1319284C Device for measuring pupillary distance
06/16/1993EP0546887A1 Device for determining the portion of a field of view observed by the eye of a spectator
06/15/1993US5220453 Telescopic spectacles with coaxial illumination
06/15/1993US5220362 Ophthalmic lighting apparatus
06/15/1993US5220361 Gaze tracking for field analyzer
06/15/1993US5220360 Apparatus and method for topographical analysis of the retina
06/15/1993US5219400 Noninvasive method for quantitation of oxyhemoglobin saturation by near-infrared reflectance spectrophotometry
06/09/1993EP0544709A1 System and method for projecting an image onto the retina
06/09/1993DE4140160A1 Eye diagnostic appts. for monitoring reflex of pupils using IR light source - records reflex by reflex photometric recording system and IR light acting on eyes to be tested with pref. homogeneous radiation density and has unit receiving reflected beam
06/08/1993US5218387 Eye position detecting apparatus
06/08/1993US5217015 Pressure sensing device having transducer overlying and deforming eye
06/03/1993DE4240583A1 Apparatus for examination and photography of corneal endothelium - has three optical systems for illuminating cornea and processing reflections for image forming and automatic photography.
06/02/1993EP0544631A2 Apparatus and method for visual perception training using retinal reflection measurement
06/02/1993EP0543932A1 Retinal laser doppler apparatus
06/02/1993EP0543896A1 In vivo measurement of oxygen concentration levels
06/01/1993US5216458 Apparatus and method for testing visual accuity and contrast sensitivity
06/01/1993US5216456 Optical device for use with a slit lamp biomicroscope
05/1993
05/26/1993EP0542745A1 A diagnostic indirect ophthalmoscopy contact lens system
05/25/1993US5214456 Mapping of corneal topography with display of pupil perimeter
05/25/1993US5214455 Objective eye alignment measurement method and system
05/25/1993US5214454 Fundus camera
05/19/1993EP0541598A1 Method and apparatus for obtaining the topography of an object.
05/18/1993US5212507 Apparatus for measuring cornea shape
05/18/1993US5212506 Analysis method of eyeball control system
05/18/1993US5212505 System for eye measurement
05/18/1993CA1317802C Method for measuring the rotation of an assymetric contact lens
05/12/1993CN2132486Y Wholl-vision spherical stereoscopic analyzer controlled by microcomputer
05/11/1993US5210555 Ocular refracting power measuring system
05/11/1993US5210554 Pupil pathway analyzer
05/06/1993DE4134276C1 Applanation tonometer for measuring intra-ocular pressure - has integrated optical interferometer with covering film in which window is formed for contact with cornea
05/04/1993US5208619 Automatic refractor, lensmeter and keratometer utilizing Badal optics
05/04/1993US5208615 Optical arrangements for reading deficiencies
04/1993
04/29/1993WO1993007801A1 Method and apparatus for non-invasive blood analyte determination
04/28/1993EP0539068A1 Automated hand-held keratometer
04/28/1993CN2130497Y Quantitative color vision tester
04/27/1993US5206749 Liquid crystal display having essentially single crystal transistors pixels and driving circuits
04/27/1993US5206672 Surgical optometer
04/27/1993US5206671 Testing and treating of visual dysfunctions
04/27/1993CA1316783C Fluid-carrying components of apparatus for automatic control of intraocular pressure
04/21/1993EP0519931A4 Compact keratoscope with interchangeable cones
04/20/1993US5204705 Ophthalmic measurement apparatus
04/20/1993US5204703 Eye movement and pupil diameter apparatus and method
04/20/1993US5203331 Applanation tonometer
04/20/1993US5203328 Apparatus and methods for quantitatively measuring molecular changes in the ocular lens
04/15/1993WO1993006771A1 Apparatus and method for capture and processing of ocular and retinal images
04/15/1993WO1993006770A1 Infrared fundus video angiography system
04/14/1993EP0536574A1 Non-contact tonometer
04/14/1993EP0536300A1 Testing and treatment of visual dysfunctions
04/13/1993US5202711 Apparatus for examining the field of vision
04/13/1993US5202710 Fixation card attachment for retinoscope
04/13/1993US5202709 Ophthalmological alignment and measurement apparatus
04/13/1993US5202708 Apparatus for photographic retroillumination image on eyeground
04/13/1993US5201312 Antennae for high-resolution magnetic resonance imaging of the eye
04/13/1993CA1315973C Optical instrument for measuring curvature of a small surface area
04/12/1993CA2079851A1 Automated hand-held keratometer
04/08/1993DE4134275C1 Tonometer for examination of human eye
04/06/1993US5200773 Diagnostic indirect ophthalmoscopy contact lens system
04/06/1993US5200772 Filter apparatus for retinoscope
04/01/1993WO1993005699A1 Diagnostic apparatus for determining precorneal retention time of ophthalmic formulations
03/1993
03/30/1993US5198845 Apparatus for producing an image of an object (iii)
03/30/1993US5197473 Ocular tonometer for estimation of intraocular pressure using free-falling ball
03/30/1993CA1315347C Interactive determination of sleep stages
03/30/1993CA1315119C Measuring light intensity variations
03/25/1993DE4131799A1 Computer controlled refraction determination in ophthalmological eye tests - carried out on person being tested with test image and task set specific to this as set by computer which offers person other decisions.
03/23/1993US5196874 Slit lamp apparatus with peripheral illumination
03/23/1993US5196873 Eye movement analysis system
03/23/1993US5196872 Data acquistion and pupil tracking apparatus for an ophthalmologocial instrument
03/18/1993WO1993005432A1 Wide angle viewing system
03/17/1993EP0532438A1 Retinoscope with external control sleeve
03/17/1993EP0532437A1 Filter apparatus for retinoscope