ANTI BLUE RAY LENSES - The lenses filter harmful ultraviolet rays from electronic devices (iPads, phones, computers, TVs), it helps with eye strain for those on the computer a lot. Minimized the headache and enjoy a good sleep for a whole night. HIGH END QUALITY - Impact resistant polycarbonate non-prescription blue light blocking Lenses , sleek plastic frame , no pressure on the nose pads , solid hinges , durable and comfortable temples . DESIGN - Balancing classic and trendy, both men and women can wear them, great for all ages! Since they are very light weight, you will not feel heavy or uncomfortable.