Crizal lenses are best quality lenses.I used this lence for 3 months.This product helps me save uv rays this is very safe lenses I dont feel pain using this lense.This is very quality lens seeing is very clear not variations.This product is very comfort to using easy to wear, light weight thes are best fearures.This is a quality product this lens is more durablity compare other lenses.We can buy this lens in very low cost this product price is very low.This is the best lence l ever used.