MUMBAI, India, June 6 -- Intellectual Property India has published a patent application (202517049044 A) filed by Telefonaktiebolaget LM Ericsson (PUBL), Stockholm, on May 21, for 'method and device for determining thickness of a post-lens tear film.'
Inventor(s) include Okvist, Peter; Arngren, Tommy; Kristensson, Andreas; and Lindskog, Niklas.
The application for the patent was published on June 6, under issue no. 23/2025.
According to the abstract released by the Intellectual Property India: "A method is disclosed for determining thickness of a post-lens tear film as function of time. The method is performed in a device placed on a smart contact lens placed on an eye. The method comprises performing measurements of light intensity of light transmitted from a light emitter and received by a light detector. The light emitter and light detector are both arranged on the smart contact lens. The method comprises determining the thickness of the post-lens tear film based on the performed measurements, on wavelength of the emitted light and on refraction index of tear fluid between the smart contact lens and the cornea of the eye."
The patent application was internationally filed on Dec. 22, 2022, under International application No.PCT/SE2022/051230.
Disclaimer: Curated by HT Syndication.
