Stylish Reading Blue Light Ultra Frequency [Slim Glasses] Men's Glasses, Cut, Thin, Compact, 1.0 SL-R51

Mobile reading glasses that are "more expensive than smartphones" have gained a lot of support through crowdfunding. Even when put in the case, it is only 6mm thick, making it incredibly portable. Adopts an aspherical lens that blocks blue light, making it both surprisingly thin and reducing eye strain. Even if you put it in your bag or pocket, it won't be bulky and you can always carry it with you.