Aviatorshape frames are most commonly recognized by their iconic brow bar, and were made popular prior to WWII by airplane pilots.Classic,cool and always in style, aviatorshape glasses are the essential accessory for fashionable men and women.POWERS 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75 3.00 3.50 4.00. Some use these for reading outdoors and others for driving if they need magnification help for distance.