Abstract:
An intraocular lens for providing a range of accommodative vision, an extended depth of focus, or enhanced performance through the asymmetric transfer of ocular forces to the lens. The intraocular lens contains an optic and a haptic. The shape and/or material of the haptic results in the transmission of ocular forces to particular regions in the optic. Greater forces applied to particular regions result in deformation of that region and increased power.
Abstract:
An ophthalmic lens, such as an intraocular lens (IOL) (20, 20a, 20b, 100), a phakic IOL or a corneal implant, and a system and method relating to same, having coupled thereto one or more rotationally asymmetric and/or non-continuous diffractive zones (130, 160), such as for providing improved multifocal vision correction.
Abstract:
An intraocular lens is disclosed, with an optic that changes shape in response to a deforming force exerted by the zonules of the eye. A haptic (50, 60, 70, 90,100, 110, 130, 150, 170) supports the optic around its equator and couples the optic to the capsular bag of the eye. Certain haptic features improve the accommodative performance of the haptic, such that compressive/tensile forces may be more efficiently transferred from the haptic to optic. Furthermore, certain aspects also provide enhanced bag-sizing capability so that the IOL better fits within the capsular bag.
Abstract:
Method and system (10, 70) for modifying a refractive profile associated with an eye having a recipient cornea. The method includes incising a sub-surface portion of a cadaver cornea with a femtosecond laser, removing the portion from the cadaver cornea, sculpting at least one of an anterior and posterior surface of the portion to form a corneal tissue implant having a pre-determined refractive profile based on a refractive profile of the eye, registering the implant with a recipient bed to align the implant with an optical axis of the recipient cornea and stabilize the implant in a recipient bed. The system (10, 70) includes a laser assembly (14, 16, 20, 26) operable to output a pulsed laser beam and a controller (22) coupled to the laser assembly. The controller directs the laser assembly to incise a corneal tissue inlay from a donor cornea, form a recipient bed in the recipient cornea, register the inlay with the bed, determine a position of the inlay, and determine a position change for the inlay based on the position of the inlay to align the refractive profile of the inlay with the refractive profile of the eye.
Abstract:
System, graphical user interface, and method for performing ophthalmic surgery on a cornea. The system includes a display (84) presenting a plurality of images representing corneal implants, a laser assembly (86) outputting a pulsed laser beam, and a control unit (82) coupled to the laser assembly and display. The control unit directs the laser assembly to produce a cavity in the cornea via the pulsed laser beam in response to a selected image, and the cavity receives a corneal implant corresponding to the selected image.
Abstract:
An intraocular lens is disclosed, with an optic that changes shape in response to a deforming force exerted by the zonules of the eye. A haptic supports the optic around its equator and couples the optic to the capsular bag of the eye. Certain haptic features improve the accommodative performance of the haptic, such that compressive/tensile forces may be more efficiently transferred from the haptic to optic. Furthermore, certain aspects also provide enhanced bag-sizing capability so that the IOL better fits within the capsular bag.
Abstract:
Method and system (10, 70) for modifying a refractive profile associated with an eye having a recipient cornea. The method includes incising a sub-surface portion of a cadaver cornea with a femtosecond laser, removing the portion from the cadaver cornea, sculpting at least one of an anterior and posterior surface of the portion to form a corneal tissue implant having a pre-determined refractive profile based on a refractive profile of the eye, registering the implant with a recipient bed to align the implant with an optical axis of the recipient cornea and stabilize the implant in a recipient bed. The system (10, 70) includes a laser assembly (14, 16, 20, 26) operable to output a pulsed laser beam and a controller (22) coupled to the laser assembly. The controller directs the laser assembly to incise a corneal tissue inlay from a donor cornea, form a recipient bed in the recipient cornea, register the inlay with the bed, determine a position of the inlay, and determine a position change for the inlay based on the position of the inlay to align the refractive profile of the inlay with the refractive profile of the eye.
Abstract:
An ophthalmic lens, such as an intraocular lens (lOL), a phakic lOL or a corneal implant, and a system and method relating to same, having coupled thereto and/or integrated thereon at least one rotationally asymmetric diffractive structure. The lens of the present invention may include a single or limited number of rotationally asymmetric diffractive echelettes that provides an extended depth of focus.