Czajkowski , Janusz, and Robert Grabowski. “Eye Protection Against Effects of Smog”. OphthaTherapy. Therapies in Ophthalmology 6, no. 1 (March 31, 2019): 5-8. Accessed May 30, 2026. https://www.journalsmededu.pl/index.php/ophthatherapy/article/view/503.