SofLens Natural Colors are the colored contact lenses of Bausch & Lomb. If used occasionally (for a few days) they can be used for three months while if used daily they must be changed monthly. Available in colors: hazelnut, gray, blue, blue-topaz, purple, light green, turquoise, Amazon-green, dark green. The production of lenses with the Base Curve of 8.4 is discontinued - available only while stocks last. Then you can order SofLens Colors contact lenses only every 0.50 diopter. They are medical devices CE 0086. Read the warnings and instructions for use carefully. Check the absence of contraindications by the ophthalmologist. Authorization of 11/05/2012. Source: www.bausch.com