Description of π MATNUT Blue Light Blocking Clip-on Glasses: Computer & Photochromic Sunglasses - Reduce Eye Strain, Headache & Fatigue, 2 pack
[PROTECTION FOR YOUR EYES] - MATNUT glasses block 100% UVA/UVB rays, and block overall 60% blue light, including more than 85% of harmful blue lights blocked, and most harmless blue light passing through. It alleviates all symptoms associated with digital eye strain, including: dry eyes, blurry vision, fatigue and headache. [AMBER TINT & PHOTOCHROMIC LENS] - Amber tint lens block blue light from electronic devices during indoor activities. Transparent photochromic lens shows light grey indoor using as blue light blocking glasses, and shows dark grey outdoor using as Sunglasses to block UV rays. [HIGH QUALITY] - Lens are made of shock resistant Polycarbonate materials(Non-Prescription),passed FDA Drop Ball Test 21CFR801.410 , you even can not break it with a hammer. Black clip is made of high quality stainless steel, solid and durable. Silicone cover prevent your lens from scratching or falling off. [LIGHT & CONVENIENT TO USE] - They weigh only average 0.30 oz, you even do not feel it on your prescription glasses. With the slim case, it is convenient to carry to everywhere in your pocket. You can easily clip on your prescription glasses and just flip up when stopping, No bother to take it off. [LIFETIME WARRANTY]- We believe in our products and pride ourselves on customer service. In case of any question or problem, we are here to answer and solve. We are committed to LIFETIME WARRANTY and 30 DAYS MONEY BACK GUARANTEE.