As the index of refraction increases,
the curvature needed to produce
a specific correction decreases.
The result is a flatter, more attractive,
lower volume, thinner lens than was
materials have given patients, especially
those with large refractive errors,
freedom to choose lens sizes and
shapes, as well as frame styles, that
were once unavailable to them.
these high index lens materials are
used in aspheric, atoric, or progressive
paired with premium
the value to
you, the patient, expands