Woźniak , P. A. “Water Gradient Silicone Hydrogel Daily Disposable Contact Lenses – Revolution in Comfort of Wearing?”. OphthaTherapy. Therapies in Ophthalmology, Vol. 2, no. 3, Sept. 2015, pp. 224-7, https://journalsmededu.pl/index.php/ophthatherapy/article/view/646.