Inspired in part by the hustle & bustle of city life, the ThinOptics Manhattan Blue Light Blocker Glasses offer the same thin frame construction as all of ThinOptics’ full-frame reading glasses, helping you reduce eye strain from blue-light-emitting devices, like phones, tablets or computers - all while staying lightweight and durable.The 4mm thin Milano Case elegantly houses these blue light blocking superheros like an unassuming brownstone under the bridge, ensuring a nicely tucked away vibe while still being close to the action.Available in various lens strengths and frame colors, keep the Manhattan Blue Light Blocking Glasses + Milano Case in your purse or pocket for Always With You convenience & protection!