Men's Square Sunglasses in Green with Clear Lenses by Foster Grant - San Diego Glasses - Men's Square Sunglasses in Green with Clear Lenses by Foster Grant - San Diego Glasses These blue light glasses are made with a Low Bridge Fit, which makes them comfortable and secure on those with low nose bridges and high cheekbones.U.O. The lenses help filter blue-violet light* from the sun and artificial sources, including digital devices.