I ordered two pairs of blue light glasses and tried them for about a week. They gave me excruciating headaches. I do not need prescription lenses so this was not the issue. I asked for a refund. The company offered a 50% refund, pointing to its refund policy online. The refund policy says no such thing, it simply says to inquire about a refund and state your issue with the order. The service was terrible, and there is clearly no desire to stand by their product. The styles are great, but the quality is awful, and my eyes are not something I'd monkey with. I would never recommend this company's products to anyone.