MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202617069059 A) filed by Essilor International on June 02, 2026, for Method For Characterizing At Least Part Of A Lens Element.
Inventors include Hugonneaux, Patrick; Guillot, Matthieu; Gacoin, Eric; Cornet, Marion; Ged, Guillaume; and Genty, Edouard.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: Method for characterizing at least part of a lens element, for example a myopia control lens element, adapted for a wearer, said lens element providing a first optical function having a refractive power based on the prescription of the wearer, and comprising a plurality of optical elements, each optical element of the plurality of optical elements providing one or more optical functions, at least one of which is different from the first optical function; wherein the method comprises: - obtaining a two- dimensional representation of the local optical power of at least part of the lens element using a deflectometry method or fringe projection profilometry, - determining the optical power distribution over at least part of the two-dimensional representation of the lens element in the form of a representation of the data as a histogram or a stem-and-leaf plot; and - characterizing at least the part of the lens element within said at least part of the two-dimensional representation of the lens element by analyzing the representation of the data, for example characterizing the histogram or stem-and-leaf plot.
Disclaimer: Curated by HT Syndication.
