Blue light cannot be efficiently filtered by the eyes, unlike other types of light, therefore more can reach the retina through the eye and bring damage to the eyes. Choose MYIAUR blue light blocking glasses to keep your eyes safe from the harmful effects of blue light. Wearing MYIAUR blue light filters glasses, you will get rid of eyestrain, blurred vision, dry irritated eyes, and headaches. Improve the quality of your sleep and wake up energized. Features: - Safeguard your eyes from blue light - Get better sleep at night - Durable and fashionable design - One size fits all - Easy online shopping with MYIAUR. Product Information: Frame Shape: Round, Frame Material: Acetate, UV Protection: Yes, Rx-able: Yes, Frame Width: 140mm, Lens Width: 48mm, Lens Height: 42mm, Bridge Width: 22mm, Temple Length: 147mm. MYIAUR's stylish blue light blocking glasses not only protect your eyes but also enhance your appearance.