MUMBAI, India, Aug. 17 -- Intellectual Property India has published a patent application (202621061642 A) filed by Sleepaxa Private Limited on May 15, 2026, for An Ophthalmic Lens For Enhancing Chromatic Contrast Perception.
Inventor includes Dubey Surajkumar Arunkumar.
The application for the patent was published on August 14, 2026, under issue no. 33/2026.
Abstract: The present invention discloses an ophthalmic lens for enhancing chromatic contrast perception through a controlled spectral transmission profile. The lens comprises a polymeric optical substrate and a plurality of absorptive spectral filtering materials distributed within the substrate to produce a predominantly absorptive and angle- stable optical response. The spectral t...