MUMBAI, India, April 18 -- Intellectual Property India has published a patent application (202517028425 A) filed by Fiala, Werner, Wien, Austria, on March 26, for 'multifocal lens.'
Inventor(s) include Fiala, Werner; and Pingitzer, Johann.
The application for the patent was published on April 18, under issue no. 16/2025.
According to the abstract released by the Intellectual Property India: "The invention relates to a multifocal lens (1) with at least three main refractive powers (DF, DM, DN), having multiple main concentric annular zones (Zi) which adjoin one another and each of which is divided into an inner and outer annular sub-zone (2, 3) with different refractive powers (D1, D2), wherein the lens (1) is free of geometric steps betw...