Voytsekhivskyy, Oleksiy V. https://orcid.org/0000-0002-5279-2041
Tutchenko, Larysa
Hipólito-Fernandes, Diogo https://orcid.org/0000-0002-5972-4068
Article History
Received: 10 September 2021
Revised: 5 November 2021
Accepted: 1 December 2021
First Online: 15 January 2022
Competing interests
: Voytsekhivskyy is the inventor and sole owner of the VRF and VRF-G formulas and has a patent on the method of estimation of postoperative lens position (ELP) and the calculation of optical power and is the author and copyright holder of a computer programme ViOL Commander. Tutchenko declares no potential conflict of interest. Hipólito-Fernandes declares no potential conflict of interest. We have disclosed those interests fully to the journal, and have in place an approved plan for managing any potential conflicts arising from this arrangement.