Implant for the correction of presbyopia in phakic eyes
AssigneeNovartis AG
InventorGeorges Baikoff
Life of this patent
Estimating the term…
Abstract
Ocular implant of the type comprising an optical portion to which there is connected a haptic portion arranged to position the focal axis of the optical portion off-center with respect to the geometric axis of the eye, towards the nasal side, provided for insertion into a phakic eye to correct presbyopia, its optical portion having, at least in its central region (7), a multifocal treatment constituting an addition of from +1 to +3.5 diopters, and its haptic portion (6) ensuring that the focal axis (9) of the optical portion (5) is arranged from 0 to 0.75 mm off-center when the implant is in position in the eye.
Claims9
An ocular implant for correcting presbyopia in a phakic eye having a geometric axis, an anterior portion, and a posterior portion, the implant comprising:
- a haptic portion, comprising:
- a temporal haptic;
- and
- a nasal haptic;
- and
- an optical portion having a focal axis, wherein the implant is configured such that upon proper placement of the implant into the eye, the focal axis of said optical portion is positioned from greater than 0 to 0.75 mm off-center toward the nasal haptic in relation to the geometric axis of the eye, said optical portion further comprising a central region having a multifocal treatment comprising an addition or overcorrection in the range from +1 to +3.5 dioptres.
An ocular implant for the correction of presbyopia in a phakic eye having a geometric axis and a nasal side, the implant comprising:
- a haptic portion;
- and
- an optical portion having a focal axis, wherein the implant is arranged so that when the implant is positioned in the eye, the focal axis of said optical portion is positioned from greater than 0 to 0.75 mm off-center toward the nasal side in relation to the geometric axis of the eye, said optic portion further comprising a central region having a multifocal treatment comprising an addition or overcorrection in the range from +1 to +3.5 dioptres.
Dependencies are inferred from the claim text.