What Are Circle Lenses? Circle Lenses are special extra-wide cosmetic contact lenses which make the eye appear larger. Circle lenses are different from normal color contact lenses because normal color lenses are only tinted in the areas that cover the eyes iris, while circle lenses have an extra dark colored tint around the outer ring of the lens (The outer ring is transparent in normal color lenses). Circle lenses have gained tremendous popularity in Asia. Recent studies have shown that over 800,000 girls in Japan, Korea and Taiwan wear circle lenses for cosmetic purposes. Although not widely available in North America, many young teens and adults are starting to catch on to this popular trend by purchasing their circle lenses online.