High Index 1.74

With a refractive index of 1.74, lenses can be made ultra-thin for aesthetic appeal.

With a refractive index of 1.74, lenses can be made ultra-thin for aesthetic appeal. This material makes it particularly suitable for patients with a higher plus or minus prescription, reducing the magnification effect caused by thicker lenses. Available with all of our premium progressive and single-vision lens designs and coatings, Ultra High Index is extremely lightweight, which increases comfort.