proSPORT Square bifocal tinted glasses full frame for men & women. Nearly Invisible Magnification reader Line. composite frame Composite lens non-polarized Lens width: 58 millimeters Lens height: 37 millimeters Bridge: 19 millimeters Arm: 126 millimeters QUALITY FRAME - Casual square plastic frames with rubber nose pieces are lightweight and very comfortable. Great pair for men and women - unisex style. Fits small to medium head sizes. PREMIUM LENS - proSPORT bi-focal eyeglasses feature aspheric lenses with scratch resistant. Optically corrected lenses provide accurate no distortion reading powers. The bifocal is perfectly placed for clear vision. The wholes lenses are protected from harmful UV A and UV B rays. Magnifying portion on the bottom lens is nearly invisible, so people will not notice that you are wearing bifocal readers. GREAT VALUE - proSPORT offer a convenient value set of 2 pairs at affordable discount price, so you have a pair always handy. Keep a pair in your car and other at your pool table. WIDE SELECTION OF MAGNIFICATION POWER - This bifocals are for everyone!! A large range for strength is in stock from +1.00, +1.25, 1.50, +1.75, +2.00, +2.25, +2.50, +2.75, +3.00, +3.25, +3.50 and +4.00 WHAT ARE BIFOCAL SUNGLASSES? Bifocal tinted glasses are sunglasses with single powered reading inserted ONLY on the lower portion of the lenses. Functional bifocal sun readers are perfect for outdoor reading, driving, outdoor sports and distance viewing. You do not need to switch bifocal glasses and sunglasses.