Hee Han, Doo. “A Study on the Functional Spectacle Lens With Photochromic, UV Blocking and Polarization”.
International Journal of Engineering and Technology 7, no. 2.33 (June 8, 2018): 1195–1198. Accessed April 18, 2025.
https://sciencepubco.com/index.php/IJET/article/view/18015.