bifocal sun readers fashion reading sunglasses with demi brown tortoise shell, grey lens, 1.75 magnification for men and women samba shades these samba shades bifocal readers are a versatile sunglasses that mesh modern, sporty look with classic style. unadorned and straight forward, this timeless look is the perfect accessory for any activity and suitable for both men and women. the bifocal area is placed on the inside of the lens making it virtually invisible. with these bifocal reading sunglasses, you will no longer need to carry a pair of reading glasses and a pair of sunglasses! these are designed to fully protect you against harmful rays and is 100% uva/uvb.