WHAT ARE HIGH-INDEX LENSES?
If your eyecare professional advises high-index lens
materials for your eyeglass prescription it is usually
due to the strength of your prescription.
High-index lenses bend the light as it passes through
at a different speed than standard index lenses. This
enables the lenses to be made thinner than traditional
lens material. There are several different levels of
high-index materials. Which one is best for your pre-
scription depends on the power of your lenses and the
size of the frame the lens is to be inserted into.
Polycarbonate is a very common mid-index lens
which is used for children for safety concerns (it is
extremely impact resistant) and for low to mid-level
prescriptions for durability and light-weight features
and for lenses being put into large frames.
High-index lenses are commonly used for higher
powered prescriptions to keep the thickness of the
lenses down to a minimum. They are also usually
used in rim free or partially rimmed frames due to the
tensile strength of the material, which is less likely to
chip or crack under stress.
If you have a high-powered Rx, you probably have
Vision Information from Antone Optical
experienced some unduly thick and heavy lenses in
the past. Your eyecare professional can steer you to
the best material for minimum thickness and weight
in your prescription. Generally speaking, the higher
the lens index, the higher the cost. However it is an
expense that is well worth it both cosmetically and for
the comfort of wear.
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“BEST EYE CARE CENTER”
AGAIN FOR 2017
(Independent Survey by Market Surveys of America)
Comprehensive
Eye Exams Available
Dr. Renita Frost, O.D.
Ind. Doctor of Optometry
Terri Antone A.B.O.C.
AZ Licensed Optician
Terri Antone A.B.O.C. Dr. Renita Frost, O.D.
Skilled Professionals • Personalized Service
Prescriptions Filled • Prescriptions Duplicated
Complete Contact Lens Services
Precise Lenses - Rx & Non-Rx Sunglasses
Best Eyecare Center - 2008 though 2016!!!
“The best in eyewar – affordable prices”
775-9393
We are located in the Safeway Shopping Center
7840 E. Hwy 69, (Suite A-5a) Prescott Valley
10
October 2017 pccnews