mujina PC Glasses, JIS Standard, Blue Light Blocking, UV Protection, Clear Lenses, Computer Glasses, Case and Cloth Set, Unisex, Boston Style (Black)

✅ [Amazing 98% Blue Light Blocking and 92% UV Protection] Testing based on the Japanese Industrial Standards (JIS) demonstrated a blocking rate of approximately 98% for 410nm wavelengths, a wavelength at which eye health is a concern! UV protection also blocks approximately 92% of UV rays! ✅ [Take Measures Against Blue Light!] mujina's PC glasses block blue light and UV rays, which can cause vision loss, dry eyes, eye strain, and poor sleep due to melanin production. In addition to a fashionable design, these PC glasses also offer functionality, including an ergonomic, stress-free design, blue light blocking, and UV blocking. ✅ [Innovative Shape] The design and form are both functional and fashionable, making them suitable for casual wear. This revolutionary model redefines what traditional computer glasses are. ✅ [What is Blue Light?] Blue light has a short wavelength and is easily scattered. This can cause eye strain by tiring the ciliary muscles, which adjust the lens. The potential dangers of blue light are wide-ranging, including eye strain, sleep disorders, retinal damage, dry eyes, stiff shoulders, and headaches. If you use a smartphone or PC or watch TV, we recommend taking measures now by wearing blue light blocking glasses. ✅ [Product specifications] ・Dimensions: Lens diameter (one side) 50mm / Bridge (nose pad part) 16mm / Front 138mm / Temple (side length) 141mm *Reference size for wearing: Small face 130~134mm / Medium face 135~139mm / Large face 140~145mm (unique design allows for a wide range of use from 130-155mm) ・Weight: Approximately 20 grams ・Material: Polycarbonate ・Color: Black / Clear & Black / Tortoiseshell & Light Brown / Brown ・Accessories: Original glasses case / Original cloth ✅ [60-day guarantee for peace of mind] We are so confident in our products that we offer a 60-day guarantee, so you can use them with peace of mind.