All four have the same and added antiglare coating to the lenses for the clearest viewing possible.
No pinching and no added stress on glass temples. Blue light blocking glasses help to protect one's eyes against harmful blue light that is emitted from fluorescent and LED lighting, cell phone, tablets, computers, and similar devices.Blue Light Blocking Reading Glasses, Antiglare Lenses, Traditional Frames, 4PK The frames AND lenses are made of shatter-resistant polycarbonate. With their classic frame design resembling the most popular frames for sunglasses, the 4-pack includes frames in black, classic tortoiseshell, clear, and translucent blue.