Specifications:CR-39 Resin Aspheric Lenses Photochromic

Coatings: AR/HMC/AS/UV400

The price is for one pair ( 2 lenses)

Spheric lenseshave a single curve in their design, whileaspheric lensesoffer varyingdeflection.This unique designmake lenses thinner and create an over all flat surface making them esthetically pleasing because they prevent magnifcation of your eyes.

Photochromic lenses are eyeglass lenses that are clear (or nearly clear) indoors and darken automatically when exposed to sunlight.An added benefit of photochromic lenses is that they shield your eyes from 100 percent of the sun’s harmful UVA and UVB rays.It’s a good idea to consider photochromic lenses for children’s eyewear as well as for eyeglasses for adultsBecause a person’s lifetime exposure to sunlight and UV radiation has been associated withcataractslater in life.

They are not polarized.

For accurate ordering of lenses please see the How to Choose Lenses Indexcharts in this product page. If you require any additional assistance please contact us via our customer service email at [email protected].