Because SunTiger Sunglasses (now known as Eagle Eyes) give them the edge in safety and performance. They feature patented triple lens sight saver technology developed by NASA scientists! They are the most protective; brightest sunglasses in the world. The SunTiger Avian lenses utilize technology based on how eagles find their prey from great distances.
They block 99% of all dangerous blue, violet, and ultraviolet light, giving you the very best protection against problems that can be caused by sun and glare: headaches, eye fatigue, snow blindness, and more serious degenerative conditions.
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While working to apply their NASA space research to these terrestrial applications, Stephens and Miller became engrossed with previously discovered research showing evidence that the eyes of hawks, eagles, and other birds of prey contain unique oil droplets that actually protect them from intensely radiated light rays (blue, violet, ultraviolet) while allowing vision-enhancing light rays (red, orange, green) to pass through. These oil droplets absorb short wavelength light rays which, in turn, reduce glare and provide heightened color contrast and definition for optimal visual acuity. Accordingly, birds of prey possess the ability to distinguish their targeted prey in natural surroundings and from great distances.
Pairing the findings from their initial studies with what they learned from the bird studies, the scientists devised a methodology to incorporate the light-filtering/vision-enhancing dual-action benefits into a filtering system, using light-filtering dyes and tiny particles of zinc oxide. (Zinc oxide, which absorbs ultraviolet light, is also found in sunscreen lotions that protect the skin from sunburn.)











