The Progressive No-Line 1.67 Super-Thin High Index Lenses is the same as our standard Progressive lenses manufactured using our super thin, high index material.  With a refractive index of 1.67, these lenses are thinner than all other 1.60 index lenses that opticians and optometrists may sell as the thinnest high index lenses.  They are manufactured with an aspheric, flatter design, as well as UV and scratch-resistant coatings.
Progressive No-Line 1.67 Super-Thin High Index Lenses enhance the appearance of rimless eyeglasses or prescriptions over +/- 3.00