Blue Light Blocking Glasses Square Full Rim 201917 Eyeglasses Includes Blue Light Blocking LensesProtect your eyes with these Blue Light Blocking Glasses featuring a full rim Square 201917 frame with metal stainless steel construction. The lenses include a special blue light blocking technology that shields your eyes from the damaging effects of prolonged exposure to blue light from screens. Sleek and comfortable, these glasses are ideal for adults who spend a lot of time looking at screens.