From the Department of Ophthalmology, Tel Aviv Medical Center and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel (Sorkin); Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel (Zadok, Chasid); Sir Charles Gairdner Hospital, University of Western Australia, Perth, Western Australia, Australia (Barrett); Lions Eye Institute, affiliated to the University of Western Australia, Perth, Western Australia, Australia (Barrett); Department of Ophthalmology, Ziv Medical Center, Safed, Israel (Chasid); Department of Ophthalmology, Shaare Zedek Medical Center and the Hebrew University-Hadassah Medical School, Jerusalem, Israel (Abulafia).

Corresponding author: Nir Sorkin, MD, Cornea Unit, Department of Ophthalmology, Tel-Aviv Medical Center, Tel Aviv, 6423906 Israel. Email: [email protected].

N. Sorkin and T. Zadok contributed equally to this work.

Disclosures: A. Abulafia is a consultant for Alcon Laboratories, Inc., Beyeonics, Haag-Streit AG, Ophtec BV, VSY Biotechnology, and Carl Zeiss Meditec AG. G.D. Barrett is the author of formulas for biometry licensed to several companies and a consultant for Alcon Laboratories, Inc. and Carl Zeiss Meditec AG. N. Sorkin is a consultant for Beyeonics. None of the other authors has any financial or proprietary interest in any material or method mentioned.

This work was completed as part of academic requirements necessary for completion of a medical doctor degree of T. Zadok at the Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel.

First author:Nir Sorkin, MDDepartment of Ophthalmology, Tel Aviv Medical Center and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel