Quotables
"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4256385 | Cornea-examining instrument A cornea-examining instrument includes a plate-shaped examining element of a transparent material, which has at least one light-reflective formation on one end face thereof. The examining element has a bore which extends generally parallel to said one fac... | 03/17/1981 |
| 4253744 | Optical system for light measurement of an eye fund In a light measuring optical system for use in measurement of pulse waves in the artery at the eye fundus or oxygen saturation in the artery blood at the eye fundus, light for illuminating the eye fundus is converged on the surface of the cornea of the ey... | 03/03/1981 |
| 4249802 | Ophthalmological instrument An ophthalmological instrument having optical elements providing an examination light beam path and an illumination light beam path. The optical elements include an objective for producing an inverted magnified flattened image of the fundus of the eye, an... | 02/10/1981 |
| 4248505 | Ophthalmological instrument An ophthalmological instrument for stereoscopic examination of the fundus or retina of the eye of a patient, and documentation thereof, as by photographing it. The instrument provides an observation light beam path, and an illumination light beam path. In... | 02/03/1981 |
| 4238142 | Method and apparatus for examining and photographing the ocular fundus An instrument for photographing the ocular fundus is aligned by using a physical aperture designed to permit illumination of only a small area of the optic disc for minimal patient awareness of incident light and corresponding pupil dilation without mydri... | 12/09/1980 |
| 4235529 | Apparatus for recording images of crystalline lens sections Apparatus for taking photographs of crystalline lens sections including a slit illumination system and a photographing optical system which includes an optical axis inclined with respect to the slit illumination plane. In order to eliminate an image of il... | 11/25/1980 |
| 4219258 | Illuminating device for use in a funduscopic apparatus An illuminating device for use in an ophthalmoscopic photographing apparatus comprising an objective lens system arranged near an eye to be inspected in a main optical viewing path, a photographing lens system arranged in the main optical path for imaging... | 08/26/1980 |
| 4213678 | Scanning ophthalmoscope for examining the fundus of the eye A scanning ophthalmoscope for repeatedly scanning a selected portion of an eye fundus has a laser source which produces a directed narrow-beam output and means for scanning the fundus with at least one selected scanning sequence. The scanning beam passes ... | 07/22/1980 |
| 4208107 | Drugless eye examination system A drugless eye examination system is disclosed that incorporates: an opti system for illuminating the retina of an eye, which has preferably been previously dilated by standard dark room or other drugless procedures, with infrared energy; another optical... | 06/17/1980 |
| 4200362 | Ophthalmoscope with uniform illumination Apparatus for viewing an eye fundus through a contact lens has an illuminating element that illuminates the fundus through the sclera. The illuminating element includes at least one fiber optic bundle with an exit facet for placement contiguous with the s... | 04/29/1980 |
| 4184752 | Instrument illuminator An illuminator including an incandescent lamp and strobe tube in a pivotable carrier adapted to selectively alternately position the lamp and tube in an identical single position of use, each being electrically activable only when at the position of use. ... | 01/22/1980 |
| 4181407 | Apparatus for automatically testing vision by phase measurements Apparatus for automatically testing a patient's vision includes a target, at least one lens, and an eyepiece serially aligned along one optical path. A motorized drive circuit moves the target or lens to selectable positions along the optical path in resp... | 01/01/1980 |
| 4166677 | Illumination system for indirect ophthalmoscope The invention relates to a lighting appliance for generating a light beam for indirect ophthalmoscopy which appliance comprises a housing with a beam outlet aperture through which the beam leaves the housing and first and second means in the housing to re... | 09/04/1979 |
| 4135791 | Reduced glare scanner Method and apparatus for reduced glare observation of the eye fundus through optical lenses is accomplished by synchronized scanning illumination and observation of successive portions of the fundus. The scanning is conducted in rapid cycles to obtain con... | 01/23/1979 |
| 4102565 | Slit lamp microscope A slit lamp microscope includes an illumination light source from which light is passed through two separate optical paths to the patient's eye. The first of the optical paths includes a slit mask and a projecting lens so that the light is focused on the ... | 07/25/1978 |
| 4067646 | Eyeground inspecting contact lens An eyeground inspecting contact lens adapted to be disposed in contact with the cornea of an eye to be inspected, in order that an illuminating light may be directed to the fundus of the eye so as effectively to illuminate the same for the observation of ... | 01/10/1978 |
| 4065208 | Ophthalmoscope An ophthalmoscope for allowing an observer to clearly and easily view the retina of a patient's eye. The ophthalmoscope has a hollow body member with an objective portion attached to one end thereof for placement over the patient's eye and with an ocular ... | 12/27/1977 |
| 4061423 | Illumination system for ophthalmoscope Disclosed are improvements in an illuminating system for an ophthalmoscope of the type employing transillumination through the sclera of the eye. One or more fiber optic bundles convey light from a source to the sclera. Each fiber optic bundle has a physi... | 12/06/1977 |
| 4056310 | Method and device for ophthalmoscopy A method and device for ophthalmoscopy for observing fundus oculi by a binocular ophthalmoscope through a contact lens arranged in contact with an eyeball to be observed, said method and device for ophthalmoscopy enabling to observe the fundus by a multip... | 11/01/1977 |
| 4033679 | Gonioscope A gonioscope for viewing the angle of the trabeculum and the drainage angle and related structures comprising a lens having a cylindrical surface and formed at its front end with four inclined facets narrowing toward the front free end thereof. The lens i... | 07/05/1977 |
| 4026638 | Reduced glare scanner Method and apparatus for reduced glare observation of the eye fundus through optical lenses is accomplished by synchronized scanning illumination and observation of successive portions of the fundus. The scanning is conducted in rapid cycles to obtain con... | 05/31/1977 |
| 4015898 | Upright wide angle stereo ophthalmoscope An ophthalmoscope-microscope having an object lens at one end of a housing and an inverting, reversing and separating prism provided in the housing in the optical axis of the object lens, a binocular viewer attached to the housing and being aligned with t... | 04/05/1977 |
| 4007980 | Device for the measurement of the size of an eye pupil A device for measuring the size of an eye pupil, particularly with non-cooperating patients, has a body which contacts the eye and carries on it an illuminating light source, a series of light detectors and an optical system for collecting the divergent l... | 02/15/1977 |
| 3982827 | Opthalmic instrument An opthalmic biomicroscope for observing a narrow zone of a patient's eye has an optical axis traversing one of several sections of a flat semitransparent mirror serving to illuminate that zone with the projected image of a slit diaphragm in the ray path ... | 09/28/1976 |
| 3966310 | Pupillometer and method of use thereof Apparatus for observing reaction of the pupil of an eye includes a first light source for generally illuminating the eye, and a second light source which may be selectively actuated to direct light to the eye in the area of the pupil. The reaction of the ... | 06/29/1976 |
| 3963329 | Small pupil binocular indirect ophthalmoscope A binocular indirect ophthalmoscope of the type having a central reflecting prism and a pair of adjustable oculars. The instrument may be used in the examination of eyes having either normally dilated or small pupils. Small pupil capability is achieved by... | 06/15/1976 |
| 3954329 | Wide-angle opthalmoscope employing transillumination Apparatus for viewing an eye fundus through a contact lens has a lamp element that illuminates the fundus through the sclera. The lamp element preferably includes at least one fiber optic bundle with an exit facet for placement contiguous with the sclera,... | 05/04/1976 |
| 3944343 | Light inclining accessory for slit lamp A light inclining accessory for a slit lamp includes a multi-faceted mirror having a top segment for receiving an illumination beam from the slit lamp and directing the illumination beam horizontally toward a focal point coinciding with the eye of a patie... | 03/16/1976 |
| 3944341 | Wide-angle ophthalmoscope and fundus camera A wide-angle indirect ophthalmoscope contains a contact lens that fits over a cornea and is surrounded by two rings of optical fibers for illumination of the eye fundus. The two rings of fibers are oriented to maximize illumination of the fundus while red... | 03/16/1976 |
| 3936161 | Ophthalmoscope illumination arrangement This application discloses an ophthalmoscope illumination arrangement including a bulb mounted in a special bulb carrier which is adapted to cooperate with the ophthalmoscope chassis so as to automatically position the bulb for best illumination. The bulb... | 02/03/1976 |
