Greatshades.com, Delta Band Lenses . . .
Real silica glass, Delta Band lenses in this showcase were designed for the US Department of Defense to provide fighter pilots with an alternative to the tan and copper shaded blue blocking glass lenses they were accustomed to.
Like blue blocking lenses, Delta Band lenses enhance contrast (ie. make objects appear clearer and easier to see) by increasing the intensity of the colors most critical to good visiončreds, greens, and yellows.
However, real glass Delta Band lenses provide substantially lower overall brightness levels than lenses that block only blue light.
Delta Band lenses are the ultimate optic material where the need for clear glare free vision must be balanced against the risks of high brightness levels causing discomfort or Sensory Overload.
GEAR INCLUDED: Acies Ships Each Sunglass Model In a Matching Hard Metal, or Semi-Hard Sport Case, At No Additional Charge!
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