Product description
Material: pla (polylactic acid) plastic is a bioplastic produced from products such as corn starch, sugar cane, and sugar beet. There are no adverse effects on human health. It is produced with the 3d printing method. How to use perforated relaxing glasses? Use it during your most active activity for 15 minutes a day, every day, for 4 weeks. While you're at the computer, reading a book, watching tv, etc., it changes the focus system your eyes are used to, relieving the nerves you frequently strain. Helps in the treatment of various conditions such as myopia (nearsightedness), astigmatism, hyperopia (farsightedness), and amblyopia (lazy eye). It soothes and rests your eyes.