Patent ID: 9717628
Date: 2017-08-01
CPC Classifications: A61F

Claim:
1. A method of treating presbyopia comprising: providing a first intraocular lens for implantation that induces a predetermined amount of fourth or higher order spherical aberration in a first eye of a patient; providing a second intraocular lens for implantation that induces a predetermined amount of astigmatism in a second eye of the patient; implanting the first intraocular lens into the first eye of the patient; implanting the second intraocular lens into the second eye of the patient; wherein the predetermined amount of fourth or higher order spherical aberration is only induced in the first eye, and the predetermined amount of astigmatism is induced only in the second eye; and further wherein the predetermined amounts of spherical aberration and astigmatism collectively enhance acuity at an intermediate distance.