sunolga reading glasses,4 pack blue light blocking glasses with spring hinge frame for women men,anti eyestrain & uv glare - 0.5x sunolga <br><b>sunolga reading glasses for women and men</b> <br><b>specification:</b> <br>material:pc frame, ac lens <br>diopter available:0.0/+0.5/+1.0/+1.25/+1.5/+1.75/+2.0/+2.5/+3.0/+3.5 <br>lens width:1.97inches(50mm) <br>lens height:1.38inches(35mm) <br>narrow bridge:0.51inches(13mm) <br>bridge: 0.87inches (22mm) <br>arm:5.51inches (140mm) <br>total width:5.31inches(135mm) <br> <br><b>package:</b> <br>4*blue light blocking reading glasses <br>1*blue ray test card <br>1*blue ray& uv lights <br>1*glasses case <br>1*cleaning cloth