Freshlook color contact lenses such as these in the color gemstone green with their emerald tone are amongst the most popular color contact lenses in the usa united kingdom canada australia europe gcc and uae. A box of 2 gemstone green contact lenses. Available in powers from 0 0 to 6 0 in 0 25 steps and from 6 50 to 8 00 in 0 50 steps and in plus powers.