Rotlex Optics Ltd.

Rotlex Ltd.

Pda Advanced Optic Systems, Ltd.

Ami Livnat

Eliezer Keren

Kathi M Kreske

A device is presented for determining patient's pupils locations in natural reading mode. The device includes a target member with a reading material on its outer surface, and a video camera mounted within the target member. The target member is orientable by the patient in a manner corresponding to his habitual reading position. The video camera is disposed such that the patients eyes are located within the depth of field of the camera, the camera thereby acquiring an image of the patients' eyes in a frame of his spectacles in his habitual reading position.

Device for measuring the patient's pupils locations, and system and method utilizing the same for adjusting progressive lenses for the patient's spectacles

A method and a system of adjusting a progressive lens relative to the frame of a patient's spectacles. The lens has power and distortions distributions and far and near vision zones and is selected inter alia in accordance with respective prescribed first and second values of the optical power required for the patient's eye at its reading and distance vision. A direction of a line of sight of the patient's eye at the reading vision, relative to the frame of the spectacles, is determined. The lens is positioned and oriented relative to the frame so as to ensure that the line of sight passes through the near vision zone of the progressive lens.

Method and system for adjusting progressive lenses for a patient's

A method and apparatus for measuring an optical property of an optical device, such as a convex or concave reflector surface, by locating a main converging lens having a focal length f.sub.1 in front of an optical measuring system capable of measuring collimation, and providing a carrier including an auxiliary converging lens for receiving a beam from the optical measuring system, and the optical device to be tested for reflecting back, via the auxiliary converging lens to the optical measuring system, the beam passed through the auxiliary converging lens from the optical measuring system. The carrier is located at a first position wherein the back focal plane of the auxiliary converging lens coincides with the front focal plane of the main converging lens, and the optical device to be tested is located on the carrier in the front focal plane of the auxiliary converging lens. The carrier is moved to a second position wherein the beam reflected back to the optical measuring system via the auxiliary converging lens and main converging lens is found by the optical measuring system to be collimated.

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Arad, Israel

Ami Livnat