Patent ID: 8663235

Claim:
A calibrating means for sizing and positioning of an anterior and posterior capsulorrhexis during an intraocular lens implantation in an eye, said calibrating means consisting of: a closed solid ring having an internal diameter matching the optic part of said intraocular lens while in a relaxed state, and made of flexible biomaterial that is smooth with no cutting edges and no haptic parts, of sufficient memory and predetermined cross section diameter to facilitate (a) unfolding of said ring to its original shape on the anterior capsule of said eye after introduction into the anterior chamber of said eye with the help of a separate grasping means through a corneal incision in said eye, (b) centration of said ring relative to an axis of said eye with a separate positioning means on said anterior capsule, (c) gentle pushing and stabilizing of said ring on top of the anterior capsule by viscoelastics, and (d) removal of said ring from said anterior chamber with the help of said separate grasping means after completion of said anterior capsulorhexis by another means within said ring; whereby said calibrating means centers said anterior capsulorhexis along an optical axis of said eye for said intraocular lens implantation.