Ray-Ban Photocromic Ambermatic Lens was introduced. It changed

Ray-Ban Photocromic Ambermatic Lens was introduced.
It changed colour depending on light conditions.
The Ray-Ban Ambermatic outlined and shaped, even on
snow, and darkened especially intense light.
The Ray-Ban Ambermatic Lenses ware available uncoated
or with mirror coatings in Full Mirror, Double Gradient
Density and top gradient density. Available for Aviator,
Outdoorsman, Shooter and Caravan models.
Ray-Ban Amethyst colour “ACE” lenses are
revolutionary lenses using patented Amethyst
Color Enhancement technology. By enhancing
critical outdoor shades of amber, red and green.
Ace lenses help golfers see fairway contours, read
greens and maintain depth perception. 70% light
absorption.
Ray-Ban P3 (polycarbonate) and P3PLUS (crystal) Polarized lenses
guarantee exceptional quality of vision, more vivid and high-definition
colors. An anti-reflective coating is also applied to eliminate glare
and provide full protection from harmful UV rays.
Ray-Ban Ambermatic 2012 Limited Edition is a re-introduction
of the legendary photochromic lens from the 70’s to reinterpret
four classic Ray-Ban Aviator styles. In 1978, the range of
lenses expanded even further with the introduction of
light-sensitive photochromic lens. Ambermatic is a special
yellow lens that darkens depending on light and temperature
conditions. By transitioning from yellow to brown, the lens
technology blocks glare and highlight outlines and shapes,
even in the snow.