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Mirror Coatings
In
contrast to anti-reflective coatings, which are very clear, mirror
coatings (also called flash coatings) are bold statements of color.
Just as the name implies, a mirror coating is highly reflective. The
mirrored sunglasses associated with state troopers are one example of a
flash coating.
The technology has advanced, however, so that
today's choices include colors of the rainbow as well as silver, gold
and copper metallic mirror coatings. Hot pink, blue — almost any color
is available.
Mirror coatings are purely cosmetic: the wearer
perceives no difference in vision regardless of what color the coating
is. Only those looking at the person wearing the glasses can see the
color of the mirror coating. Mirror coatings are generally applied over
sunglass-dark lenses. Obviously, a highly reflective flash coating
prevents others from seeing the eyes of the wearer.
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