Wojciechowska , Ewa. “Multifocal Contact Lenses – Practical Aspects”. OphthaTherapy. Therapies in Ophthalmology 6, no. 3 (September 30, 2019): 199-202. Accessed April 18, 2024. https://www.journalsmededu.pl/index.php/ophthatherapy/article/view/952.