Abstract: An intraocular lens designed for ease of insertion and for minimizing contact with intraocular tissues comprises a lens body having an optical axis, two optical surfaces and a periphery to which is fixed at least one filamentous haptic extending circumferentially and radially from the point of attachment along a curvilinear path in space to a maximum distance from the optical axis. The haptic has a proximal segment adjacent to the attachment point, a medial segment attached to and continuous with the proximal segment and a distal segment attached to and continuous with the medial segment. At least a part of the distal segment lies at the maximum distance from said optical axis and constitutes the tissue-contacting portion of the haptic. The tissue-contacting element is tangent to a second plane parallel to the first plane and displaced from it along the optical axis, and at least the medial segment of the haptic traverses a path concave toward the first plane and avoiding intersection with the second plane.

Abstract: There are disclosed an improved method and apparatus which derive the optical characteristics of a lens system from a plurality of measurement beams and can display the same. Included is an imaging channel which cooperates with a microprocessor for detecting the measurement beams and processing the detected beam information to derive the optical characteristics of the lens system.

Abstract: This invention is related to an improved method and apparatus for use in controlling the ultrasonic fragmentation of the body tissue. The ultrasonic apparatus includes a transducer assembly mounted in the handpiece assembly. The transducer is operable for converting electrical power to ultrasonic mechanical vibrational energy. A vibrational amplifying device is coupled to the transducer assembly and includes in series asymmetrical horn and symmetrical horn portions. Included in one of the horn portions is an operative tip.