Abstract: An ophthalmic surgical instrument includes an elongated shaft and a snare configured to transition between an expanded configuration, in which the snare is sized to encircle lenticular tissue, and a contracted configuration. The snare has a section configured to cooperate with a bottom surface of the elongated shaft to sever the lenticular tissue therebetween upon the snare transitioning toward the contracted configuration.

Abstract: An ophthalmic surgical instrument includes an elongated shaft and a snare configured to transition between an expanded configuration, in which the snare is sized to encircle lenticular tissue, and a contracted configuration. The snare has a section configured to cooperate with a bottom surface of the elongated shaft to sever the lenticular tissue therebetween upon the snare transitioning toward the contracted configuration.

Abstract: A capsular retractor includes an elongated shaft, a hook portion extending from a distal end portion of the elongated shaft, a handle portion extending from a proximal end portion of the elongated shaft, and first and second grasping segments formed with or attached to the handle portion. The grasping segments are configured to be selectively grasped for manipulating the ophthalmic surgical instrument regardless of the rotational orientation of the handle portion.

Abstract: An ophthalmic surgical instrument includes a housing and a snare operably coupled to the housing. The snare is configured to transition between an insertion configuration and a deployed configuration, in which the snare is sized to encircle lenticular tissue. The ophthalmic surgical instrument is designed to prevent elevation and/or tilting of the lenticular tissue as the snare transitions toward the insertion configuration to divide the lenticular tissue.

Abstract: An ophthalmic surgical instrument includes a wire snare configured to transition between an insertion configuration and a deployed configuration, in which the snare is sized to encircle lenticular tissue. The wire snare directs light therethrough and out of a cutting segment of the wire snare to assist a clinician in identifying the location of the cutting segment during a surgical procedure.

Abstract: An ophthalmic surgical instrument includes a housing and a snare operably coupled to the housing. The snare is configured to transition between an insertion configuration and a deployed configuration, in which the snare is sized to encircle lenticular tissue. The ophthalmic surgical instrument is designed to prevent elevation and/or tilting of the lenticular tissue as the snare transitions toward the insertion configuration to divide the lenticular tissue.

Abstract: An ophthalmic surgical instrument includes a housing and a snare operably coupled to the housing. The snare is configured to transition between an insertion configuration and a deployed configuration, in which the snare is sized to encircle lenticular tissue. The ophthalmic surgical instrument is designed to prevent elevation and/or tilting of the lenticular tissue as the snare transitions toward the insertion configuration to divide the lenticular tissue.

Abstract: An ophthalmic surgical instrument includes a housing and a snare operably coupled to the housing. The snare is configured to transition between an insertion configuration and a deployed configuration, in which the snare is sized to encircle lenticular tissue. The ophthalmic surgical instrument is designed to prevent elevation and/or tilting of the lenticular tissue as the snare transitions toward the insertion configuration to divide the lenticular tissue.

Abstract: An ophthalmic surgical instrument includes a housing and a snare operably coupled to the housing. The snare is configured to transition between an insertion configuration and a deployed configuration, in which the snare is sized to encircle lenticular tissue. The ophthalmic surgical instrument is designed to prevent elevation and/or tilting of the lenticular tissue as the snare transitions toward the insertion configuration to divide the lenticular tissue.

Abstract: An infusion sleeve of an ultrasonic vibrating needle. The sleeve is collapsible and serrated or scalloped at a distal end. Fluid flows through a passage between the needle and the infusion sleeve in a direction from the proximal end of the sleeve to a distal end of the sleeve. Upon reaching the distal end, the fluid emerges by flowing across valley formations that are between peak formations of the distal end of the infusion sleeve. The peak formations abut the exterior of the incision so that the fluid flow cools tissue at the incision and the needle.

Abstract: An intraocular lens device that includes an intraocular lens optics that provides at least two powers of magnification one being near vision power and the other being distance vision power. The lens optics has surface modulations that are responsible for providing the near vision power. The zone structure provides an add power of over 6 diopters. The add power indicative of an extent that the near vision focusing power is greater than the distance vision focusing power.

Abstract: Intraocular lens implant that includes a lens optic and lens haptics configured to maintain a preoperative position of the posterior lens capsule after cataract removal and insertion of a lens implant. The lens haptics have proximal and distal portions, with the distal portions lying in a common plane and the lens optic extending in a lens optic plane. The distance between the planes may be at least substantially the same dimension as or larger than a shift distance that the posterior lens capsule would otherwise traverse between its normal anatomical location and its shifted anatomical location where it not constrained. The shifted anatomical location arises naturally after both removal of cataract lens material and removal of a portion of an anterior capsule.

Abstract: A flexible sheath is attached to an end of a rigid extension tube. The other end of the rigid extension tube is connected with a surgical handpiece. Two flexible sheaths may be used one as a barrier against contamination of aspiration tubing and the other as a barrier against contamination of irrigation tubing. This is effected by securing two rigid extension tubes between the surgical handpiece and an associated one of the aspiration and irrigation tubings. Each flexible sheath is collapsible and expandable so they may be expanded from a collapsed condition over the associated aspiration or irrigation tubings and secured in the expanded condition. The aspiration and/or irrigation tubings are connected to a cassette of a surgical pack.

Abstract: An infusion sleeve of an ultrasonic vibrating needle. The sleeve is collapsible and serrated or scalloped at a distal end. Fluid flows through a passage between the needle and the infusion sleeve in a direction from the proximal end of the sleeve to a distal end of the sleeve. Upon reaching the distal end, the fluid emerges by flowing across valley formations that are between peak formations of the distal end of the infusion sleeve. The peak formations abut the exterior of the incision so that the fluid flow cools tissue at the incision and the needle.

Abstract: A pair of intraocular lenses for restoring visual function to a patient with central field loss. The pair of intraocular lenses includes a first lens for implantation into a first eye of the patient to provide vision of targets located at a distance greater than five feet from the first eye and a second lens for implantation into a second eye of the patient to provide vision of targets at a distance less than twelve inches from the second eye. The first and second lenses each include a prismatic wedge for shifting retinal images to a functional portion of a retina of each respective first and second eye.