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| Number | Title | Issue Date |
| 4270842 | Optical system for forming an image of the retina An optical system for forming an image of the retina of an eye which is to be examined. The optical system has two groups of lenses which cooperate to form the image. The first lens group is in contact with the cornea of the eye of the patient via the eye... | 06/02/1981 |
| 4212226 | Device and method of illuminating a target by the eye-motion of an operator A contact lens adapted to fit over the eye of an operator can be employed to focus light impinging on the lens from a light source and reflected therefrom, substantially onto a predetermined region by an eye movement of the operator.... | 07/15/1980 |
| 4169664 | Apparatus for determining peripheral vision An apparatus for use in determining the peripheral vision extent of a patient's eye includes a contact lens type construction detachably fitted to the eye having multiple optical fibers each extending to an illuminating source. Upon illumination of a sele... | 10/02/1979 |
| 4134647 | Contact lens for examining the interior of the eye The inner walls of the eye, i.e., the fundus, are examined in panorama with an optical lens comprising a truncate paraboloidal mirror and a corneal contact objective lens. While held in contact with the cornea, the fundus is observed by projecting a light... | 01/16/1979 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
