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"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 7997732 | Lenslet array for retinal oximetry The multi-aperture system of the present invention provides a retinal oximetry apparatus for determining the level of oxygen saturation in retinal vessels using a lenslet array comprising at least seven lenses for the simultaneous measurement of reflected light with... | 08/16/2011 |
| 7914147 | Systems and methods for optical detection of lipofuscin concentrations in a subject's eye A method for optical detection of lipofuscin concentrations in the retina is described. A subject's eye is exposed to a light source. Light emitted from the subject's eye is detected. Levels of lipofuscin are determined from the emitted light. A system for optical d... | 03/29/2011 |
| 7441896 | Macular pigment measurements Apparatus for use in measuring the density and spatial distribution of macular pigment in an eye comprises a camera (4) for capturing a color image of an eye, at least one filter (36) for filtering light reaching the camera (preferably by filtering the... | 10/28/2008 |
| 7444057 | Variable-wedge rotating-disk beam attenuator for ophthalmic endoilluminator A variable-wedge rotating-disk attenuator for use in an ophthalmic endoilluminator is disclosed. The attenuator includes a wedge attached to an axle. The size of the wedge can be adjusted over a variable angle as measured through an arc of the wedge. The axle to whi... | 10/28/2008 |
| 7429107 | Ophthalmic photography apparatus An ophthalmic photography apparatus is provided in which focus and alignment can be adjusted over the whole period of infrared light-excited fluorescence photography. During alignment and focus adjustments, the brightness of index light sources used for such adjustm... | 09/30/2008 |
| 7370967 | Method and apparatus for optical imaging of retinal function A method for optical imaging of retinal function comprises an illuminating observing step (S1) of illuminating the retinal region (2) of the rear surface of an eyeball (1) including the macular area and the optic disk with an invisible light ( | 05/13/2008 |
| 7357504 | Device and method for examining and/or treating and eye A device for examining/treating an eye has a base body and an attachment body, which can be combined and applied to the eye. A gel-type liquid is introduced between the two bodies so that the indices can be matched. The interior of the attachment body is provided wi... | 04/15/2008 |
| 7354153 | Fundus camera A fundus camera capable of favorably obtaining a photographed fundus image and an observation fundus image, has an optical system having an objective lens and a diaphragm at a conjugate position with a pupil relative to the lens, for performing visible photographing... | 04/08/2008 |
| 7338164 | Systems 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 |
| 7338167 | Retinal imaging system A retinal imaging system includes a light source and optics which receive light from the light source and which transmit the light to produce a beam that is substantially convergent. The beam penetrates a lens of an eye and diverges following penetration of the lens... | 03/04/2008 |
| 7325926 | Ophthalmologic photographic device An ophthalmologic photographic device has control means for setting a fixed gain at the time of alignment and at the time of still image taking and switching to AGC when switching to moving image taking, wherein the start gain is determined and set, on the basis of ... | 02/05/2008 |
| 7287855 | Method and system for removing the effects of corneal birefringence from a polarimetric image of the retina A scanning laser polarimetry (SLP) system that measures retinal nerve fiber layer (RNFL) retardance in a single scan image with improved sensitivity. An external bias retarder in combination with the anterior segment retardance forms a nonzero joint retardance adapt... | 10/30/2007 |
| 7284863 | Device and method for viewing ocular media An ophthalmic device for the examination and detection of opacities in the ocular media comprising a cylindrical housing, a reflecting means located in the housing adapted to reflect light through an illuminating through-hole in the housing, and a viewing port in th... | 10/23/2007 |
| 7284856 | Method for designing color filters which improve or modify color vision of human eye, and color filter means designed by the method The invention relates to a method for designing color filters which improve or modify color vision of the human eye. According to the invention a desired opponent signal function to be attained is divided by a real opponent signal function characteristic of the eye ... | 10/23/2007 |
| 7281799 | Corneal topography slit image alignment via analysis of half-slit image alignment A corneal topography slit image alignment system 10, includes a half-slit projector 14 for projecting half-slit images onto a patient's eye 16. Half-slit images 28 and 30 are aligned into a single slit image. A camera 18 cap... | 10/16/2007 |
| 7281800 | Device and method for imaging, stimulation, measurement and therapy, in particular for the eye Apparatuses whose system parameters and operation can be adapted in particular to a wide range of applications for imaging, testing, stimulating, measuring and treating the eye for carrying out a wide variety of examination tasks or treatment tasks substantially wit... | 10/16/2007 |
| 7258442 | Eye fundus photographing system An eye fundus photographing system, wherein a three-dimensional moving picture is photographed and displayed in eye fundus of infrared fluorescent photographing. The photographing system includes an exciter filter for transmitting a specific wavelength region of the... | 08/21/2007 |
| 7255442 | Device for measuring aberrations in an eye-type system Device for measuring aberrations in an eye includes, an illumination path with an illumination diaphragm and a test path, imaging member and elements for positioning the eye in relation to the imaging member, a stray reflection filter element, which is centered on t... | 08/14/2007 |
| 7252381 | Ophthamoscope An ophthalmoscope has illuminating optics (10) for projecting a beam of light into an eye under examination and imaging optics (14) for creating an image of said eye for viewing by a user. The imaging optics comprises an objective lens system (16 | 08/07/2007 |
| 7234815 | Optical viewing device having an apparatus for partial reduction of the illumination intensity The invention concerns an optical viewing device which incorporates a spectral filter to partially reduce the intensity or wavelength(s) of light transmitted to a specific region of a specimen which may be a human eye. The reduction in light intensity or wavelength ... | 06/26/2007 |
| 7222961 | Method for detecting a functional signal in retinal images A system and method for detecting a functional signal in retinal images. An optical imaging device comprises a stimulation light source, an interrogating light source, and a detector. The retina is stimulated by the stimulation light source. The retina is then illum... | 05/29/2007 |
| 7198367 | Fundus 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 |
| 7174094 | System and method for reflex-free coaxial illumination A system is provided for reflex-free coaxial illumination that includes an objective lens group having an optical axis. An illumination source is axially disposed from the objective lens. The illumination source provides at least one light beam. The light beam is di... | 02/06/2007 |
| 7134755 | Customized lenses The invention relates to a method of customizing lenses using an external stimulus such as light. Fine-tuning of the lens to match the precise optical requirements using the same lens is also possible. The lenses are self-contained and do not require the addition or... | 11/14/2006 |
| 7052155 | Illuminated magnetic retrieval apparatus An illuminated magnetic retrieval apparatus includes an illumination module which includes a handle portion which houses a battery power supply and which houses illumination circuit means powered by the battery power supply. A flexible optical fiber light conveyance... | 05/30/2006 |
| 7048379 | Imaging lens and illumination system An imaging system and method for imaging an object, where an objective lens directs light to the object, a coupling lens receives light reflected from a surface of the object and transmitted through the objective lens, and focuses the reflected light as an image of ... | 05/23/2006 |
| 6932090 | Motion sickness treatment apparatus and method Methods and apparatus are disclosed for treating motion sickness. In a preferred embodiment a method of the invention comprises operating eyewear having shutter lenses to open said shutter lenses at a selected operating frequency ranging from within about 3 Hz to ab... | 08/23/2005 |
| 6574432 | Fundus camera A fundus camera according to the present invention is capable of facilitating observation, color photographing and fluorescent photographing without complicating operations and components of the device. The fundus camera is provided with a first illuminat... | 06/03/2003 |
| 6487368 | Fundus photographing device A fundus photographing device for conducting infrared fluorescence photography on a fundus of an examinee's eye after intravenously injecting a fluorescent agent which emits fluorescence of an infrared region into veins is disclosed. This device includes ... | 11/26/2002 |
| 6312423 | Laser treatment apparatus In a laser treatment apparatus, a treatment laser beam emitted from a laser source 10 is coaxially aligned to an aiming beam emitted from an aiming light source 18 by a beam splitter 20. The coaxial beams are delivered to a patient's eye E through a light... | 11/06/2001 |
| 6258081 | Arrangement for laser coagulation An arrangement for laser coagulation at the ocular fundus with at least one illumination light source for an illumination beam path, with a laser arrangement for generating a sighting and therapy beam path, wherein the sighting radiation and therapy radia... | 07/10/2001 |
| 6158865 | Color enhancing filter and method of employing a color enhancing filter to improve human eye vision A color enhancing filter is disclosed which is especially adapted for use to improve eye vision under all lighting environments. Lighting environments include extreme lighting environments, such as, low level and brightly illuminated light environments. T... | 12/12/2000 |
| 6099126 | Sunlight sensitivity tester An interactive system and method for testing the sunlight sensitivity of a subject is provided herein. The system includes a computer generated imaging device for displaying a number of realistic situational scenes on a viewing screen situated opposite an... | 08/08/2000 |
| 5774202 | Method and optical means for improving or modifying color vision and method for making said optical means A method and optical articles for improving or modifying human color vision by using a color filter with a spectral transmission ͌(λ) to compensate for differences between a spectral sensitivity P*(λ), D*(λ), T*(λ) of an eye with impaired color visio... | 06/30/1998 |
| 5757460 | Combination ophthalmic device A combination ophthalmic device includes various eye testing instruments in a single hand held device. The combination device is in the general configuration of a double ended occluder with an elongated central handle, but has different instruments at eac... | 05/26/1998 |
| 5671039 | Glare tester A glare tester suitable for use with conventional subjective refractors for testing visual acuity is disclosed. The tester may be fitted to new refractors or retrofitted to existing refractors. The preferred tester is a plastic annular ring with a plurali... | 09/23/1997 |
| 5640220 | Apparatus and method for determining characteristics of a human retina using entoptically observed leukocytes and other psychophysical phenomenona An apparatus and method for comparing entoptically observed corpuscles with computer simulated images of corpuscle-like particles without requiring the observer to view more than one screen. Also disclosed are an apparatus and method for determining and d... | 06/17/1997 |
| 5634923 | Safety filter for an ophthalmic therapeutic and/or diagnostic instrument The invention is directed to a safety filter for an ophthalmic therapeutic and/or diagnostic unit into which a laser beam is coupled for therapeutic purposes. The safety filter is optically dimensioned in such a way that no change in the focal intercept r... | 06/03/1997 |
| 5617156 | Fundus camera A fundus camera, for taking photographs by fluorescence, has an illuminating optical system to illuminate a fundus. The illuminating optical system is provided with a diaphragm that can be adjusted to modify the illumination state of the fundus according ... | 04/01/1997 |
| 5565938 | Ophthalmologic apparatus having improved display capability Illumination light emitted by an illuminating light source, such as a halogen lamp or xenon lamp, is projected onto a subject's eye via an illuminating optical system placed in the main body of an ophthalmologic apparatus, while light reflected by the eye... | 10/15/1996 |
