公开(公告)号：US11559436B2

公开(公告)日：2023-01-24

申请号：US17064141

申请日：2020-10-06

Applicant: Alcon Inc.

Inventor： Ilya Goldshleger ,  Jeremy Dong ,  Tibor Juhasz ,  Wesley Lummis ,  Ferenc Raksi

IPC: A61F9/009 ,  A61B3/117 ,  A61F9/00 ,  A61B3/14 ,  A61B3/107 ,  A61B3/103 ,  A61F9/008

Abstract: A patient interface for an ophthalmic system can include an attachment portion, configured to attach the patient interface to a distal end of the ophthalmic system; a contact portion, configured to dock the patient interface to an eye; and a contact element, coupled to the contact portion, configured to contact a surface of a cornea of the eye as part of the docking of the patient interface to the eye, and having a central portion with a central radius of curvature Rc and a peripheral portion with a peripheral radius of curvature Rp, wherein Rc is smaller than Rp.