ST Middle Index 1.56 XLight series represents the thinnest plus power lenses. Go the Extra Mile with ST 1.56 XLight series, Give your frame what it really needs!
Lenses with a 1.56 index are considered the most cost effective lens on the market. They possess 100% UV protection and are 22% thinner than CR39 lenses.
These lenses with knife edge finishing would suit those irregular frame sizes (small or large) and would make any pair of glasses look thinner than ordinary.
Enhanced Vision Quality: Available in Aspheric as well. Our Middle Index 1.56 XL comes in HC & HMC (AR).