Accommodating intraocular lens system and method

Details Accommodating intraocular lens system and method Accommodating intraocular lens system and method

A - Human Necessities

61

F

A61F 2/16 (2006.01)

Patent

CA 2613580

An accommodating intraocular lens is provided having optical parameters that are altered in-situ, wherein an optic portion of the lens includes an actuator that deflects a lens element to alter the optical power of the lens, responsive to forces applied to a haptic portion to the lens by contraction of the ciliary muscles. Forces applied to the haptic portion may result in fluid displacements from or to the haptic portion from the actuator. Displacement of fluid to the actuator may either increase or reduce the degree of deflection imposed on the lens element by the actuator.

La présente invention concerne une lentille intraoculaire à accommodation dont des paramètres optiques se modifient in-situ. En l'occurrence, une partie optique de la lentille inclut un actionneur défléchissant un élément de la lentille de façon à en modifier la puissance optique en réaction à des forces s'appliquant à une partie haptique de la lentille, par contraction des muscles ciliaires. Les forces s'appliquant à la partie haptique peuvent aboutir à des déplacements fluidiques entre la partie haptique et l'actionneur. Le déplacement de fluide vers l'actionneur permet d'augmenter ou de réduire le degré de déflexion que l'actionneur impose à l'élément de lentille.

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