J+S Blue Light Blocking Glasses, Puhou Square Black Frame, LCD Lens (49mm Lens Width, 140mm Arm Length) | Blocks 90% Harmful Blue Light

• [Experience Relief with Blue Light Glasses]: filter out high-energy blue light from electronic devices, including computers, TVs, smartphones, and even fluorescent lights. Say goodbye to eye fatigue, headaches, and sleep disturbances caused by excessive blue light so you can work or play on any device with ease.
• [Blocks 90% of the most harmful blue light*] - engineered to filter out 90% of the most harmful high energy blue light (400nm-430nm) rays while letting through the less harmful portion of the blue light spectrum. The results? Maximum protection with minimal color distortion. Overall blue block rate: Low Color Distortion lens = ~52%, HD lens = ~62%
• [Low Color Distortion] enjoy vibrant clarity without compromising color accuracy. J+S LCD lens has ~52% overall blue light blocking rate as well as 100% UVA and UVB protection. Perfect for general daily usage for <4hrs, and is especially great for color sensitive work (e.g. photoshop, graphics design or watching movies). LCD lens have a light yellow tint.
• [Style and Comfort] - {Hua Series} cute petite oval square glossy black frame for man or woman - meticulously crafted with polycarbonate frame and lens, making it incredibly safe, durable, lightweight and comfortable to wear for extended periods. Premium spring hinge for additional comfort, no "pinching" on the sides of your head.
• [The ideal gift] - It comes with a high-quality PU leather metal case and lint-free microfiber cleaning cloth - making these glasses an excellent yet practical gift idea for yourself or friends and family, men or women, all year round!

• Put on the J+S Blue Light Blocking Glasses whenever you are using digital devices like computers, smartphones, or tablets for extended periods. Ensure they sit comfortably on your nose and ears. — Wear for Screen Time
• Use the included microfiber cleaning cloth to gently wipe the lenses. Avoid using abrasive materials or household cleaners, which can damage the lens coating and reduce effectiveness. — Maintain Lens Clarity
• When not in use, store the glasses in the provided PU leather metal case. This protects them from scratches, dust, and damage, ensuring their longevity and effectiveness. — Store Safely

Typical situations where J+S Blue Light Blocking Glasses Hua Oval Black Frame 48mm (1.89in) | Blocks Harmful Blue Light helps — illustrative scenarios, not customer reviews.