Abstract: A universally adjustable telescopic spectacle assembly for use with an implanted intraocular lens employs an objective lens which has positioned in front of the objective lens a cylindrical lens to provide cylindrical correction to the handicapped user. The telescopic assembly employs universal motion in that the assembly can be moved with respect to a spectacle frame so that one is able to shift the objective lens axis about a central point while further having the capability of moving the objective lens in a spiral motion away from or towards the eye of the user and further having means for providing a pivotal joint mechanism to permit maximum oblique adjustment of the entire telescopic assembly as related to the optical or central axis of the objective lens. In this manner any change in conditions of vision or a misalignment of the intraocular lens as inserted during surgery can be compensated for by the universal adjustable telescopic assembly as disclosed.

Abstract: There is disclosed a hand-held magnifying apparatus which employs a lens assembly housing. The housing has first and second magnifying lenses located therein whereby the lenses can be adjusted to obtain a variable focal length. The housing is terminated at one end in a cylindrical hooded section which has coupled thereto an angled power source accommodating section. The power source accommodating section includes a source of illumination and cylindrical condensing lenses which operate to condense the light pattern from the illumination source and to change the light pattern from an elliptical to a circular pattern to thereby uniformly illuminate the text or material to be viewed via the magnifying lens assembly.

Abstract: An automatic focusing system for a terrestrial telescope comprises a frame worn on the head of a person, a fixed frame part mounted to the frame in viewing relationship to an eye of the wearer, a movable lens part carrying a telescopic lens which is slidably movable along a telescopic axis relative to the fixed frame part, an engagement member fixed to the movable lens part, a pendulum sensor mounted to the frame for detecting a change in inclination angle of the head of the wearer, and a drive circuit and motor responsive to the sensor for moving the movable lens part to a lens position corresponding to the head inclination angle detected by the pendulum sensor.

Abstract: There is disclosed a system for improving the visual field of a handicapped person which utilizes a wide angle lens which is placed in front of an object such as a screen of a television set to be viewed. This operates in conjunction with a prism to provide a reduced image of a size which is compatible with the field of view that the handicapped person experiences due to the use of an optical aid necessary to enable the handicapped person to see with resolution. The system and method according to this invention serves to enable such a person to view a reduced image such as the image of a television screen which reduction is implemented to be of the size of the field of the optical aid that the person requires in order to see with any given resolution.

Abstract: There is disclosed a method and apparatus for providing spectacle correction on axis in a compound lens system. A lensometer having a lens stop assembly is used in conjunction with a collet fixture for positioning a lens and for aligning the lens in a compound lens system while employing the lensometer to enable optical alignment. The method operates by placing the lens in the fixture to firmly hold the lens and allowing the lens to protrude from the fixture. The fixture is then placed over the lens stop assembly of the lensometer and the compound lens system is then held against the lens as emplaced on the lens stop. By rotating the fixture, one can align the lenses on axis and determine the proper position of the lens in the compound system. The collet fixture which includes an inner tubular section having an open top and an open bottom. The tubular section is symmetrically disposed about an axis with the open top having a series of slots.

Abstract: This invention provides a method of obtaining increased efficiency in implementing a medical photograph by allowing the practitioner to utilize a slower speed film which has a high response to the color red and hues thereof. According to the techniques depicted herein, a flash or beam of light which is generated by means of an ignition tube or a flash bulb is directed through a condensing lens which lens directs the beam of light in a concentrated area thus allowing the practitioner to obtain a greater depth of focus with a higher f-stop. This thereby enables one to utilize a slower speed film which film inherently possesses a better response to the color red.

Abstract: There is disclosed a head-mounted imaging system which system employs a headband to be worn on the head of a surgeon during a surgical procedure. A surgeon may utilize a microscope eyeglass assembly in order for him to achieve a desired magnification of the operating area. The headband assembly includes an imaging system which imaging system furnishes a beam of light which beam of light is reflected into the operating area by means of a tiltable mirror coupled to the headband assembly. The tiltable mirror receives the reflected image from the operating site. This image is received by the imaging system where it is directed through a zoom lens magnification assembly whereby the magnification of the lens assembly is set to correspond to the microscope eyeglass assembly worn by the surgeon.

Abstract: There is disclosed an anamorphic lens system for increasing the field of view for patients or persons having tunnel vision. The lens assembly consists of a plano-concave cylindrical lens separated from a plano-convex cylindrical lens. The lens system is an anamorphic lens system which minifies in one meridian or axis such as the X axis while keeping objects at the same size in the other meridian such as the Y axis. In utilizing the system, a handicapped patient is now able to maintain almost their original visual acuity in the vertical plane while the system produces minification in the horizontal plane. By using such a technique, the patient retains almost full visual acuity, experiences a substantial increase in his field of vision, and furthermore, does not lose the ability to judge depth.

Abstract: There is disclosed a VIDEO AUTOMATIC FOCUSSING SYSTEM in which a video signal from the television camera is directed to a band pass filter and then detected to produce a DC signal indicative of the video signal as band limited. The detected signal is directed to the inputs of a negative slope detector and peak detector. The detectors monitor the slope of the video signal to form the basis for controlling the motor to achieve automatic focussing on command.

Abstract: There is disclosed a simulator for simulating a reduced peripheral field of view for the eyes of a normal user. The simulator consists of a frame having a front section upon which two eye pieces or binocular tubes are mounted. The frame has adjustable temple pieces which are adjustable in the horizontal direction and are adjustable to provide an angle with respect to the vertical so as to adjust the tilt of the frame when it is being worn by the user. Each binocular tube is associated with a variable iris diaphragm which enables the practitioner to adjust the opening to thereby simulate a different field of view according to the particular visual defects associated with a handicapped user. The simulator has left and right shields depending from the temple sections to prevent side vision when the frame is being accommodated by the user. In employing the simulator the device will provide an accurate replica of a reduced field of view such as that existing in a patient having tunnel vision.