RYAN BLACK DAY LENSES 안경 vision loss

vision loss

With 95% blue light blocking function which cannot be replicated by transparent blue light glasses

which causes retinal damage

Blocks 100% of artificial blue light and green light to promote the secretion of sleep hormone(melatonin) to Improve the sleep quality and optimize circadian rhythm

RYAN BLACK DAY LENSES 안경 vision loss"Your eyes. An asset worth protecting" With 95% blue light blocking function which cannot be replicated by transparent blue light glasses, you can protect your eyes from artificial blue light emitted from smartphones computers TV, which causes retinal damage, vision loss, macular disease, and headaches. Block 95% of artificial blue light Backed by exclusive patented technology. One time investment. Lifetime of protection.