Yamamoto Optical YAMAMOTO JIS Compliant Blue Light Cut Protective Glasses Flex Hinge Top and Bottom Visors with Side Covers High Protection

Blue light blocking lenses that meet the JIS T8147 standard. They maintain a high level of transmittance (88.0%) while blocking blue light that can cause eye fatigue. * Many workplaces are surrounded by bright light, such as computer and production equipment LCD monitor screens and LED lighting. Most of this light emits strong blue light to emphasize brightness. Prolonged exposure to blue light can lead to eye fatigue. Blocks 20.6% of blue light* and 99.9% of harmful UV rays (below 380 nm). *Values based on EN standard EN ISO12312-1:2013 The spring material used in the hinge of the temples allows the frame to move flexibly, providing a soft fit. The highly protective top and bottom visors and side covers support comfortable work. Double-sided hard-coated and anti-fog lenses. Lenses with a unique coating process for safety and excellent optical performance. Ensures comfortable vision.