SunTiger Inc.-now Eagle Eyes Optics, of Calabasas, California-was formed to market a full line of sunglasses based on the licensed NASA technology that promises 100-percent elimination of harmful wavelengths and enhanced visual clarity. The welding curtain was commercialized, and then the scientists focused attention on another area where blocking ultraviolet light would be beneficial to the eyes: sunglasses. The NASA researchers replicated this oil droplet process in creating a protective welding curtain capable of absorbing, filtering, and scattering dangerous light. Their eyes produce tiny droplets of oil that filter out harmful radiation and permit only certain visible wavelengths of light through, protecting the eye while enhancing eyesight. The birds require near-perfect vision for hunting and survival. To combat this danger, the JPL scientists turned to the animals known to have some of the sharpest eyes around: birds of prey. In the 1980s, Jet Propulsion Laboratory (JPL) scientists James Stephens and Charles Miller were studying the harmful properties of light in space, as well as that of artificial radiation produced during laser and welding work. Beyond Earth’s atmosphere, the Sun’s light is even more powerful, with the potential to cause serious damage to astronauts’ eyes. NASA scientists found inspiration in nature for a spinoff that now protects and enhances vision on EarthĪ pair of shades is essential for the beach in summertime. Compared to a typical sunglass lens, Eagle Eyes lens (right) makes scenes more vivid because harmless wavelength colors such as red, orange, yellow, and green are enhanced, and damaging rays in the blue, violet, and ultraviolet wavelengths are blocked.īased on work done at NASA’s Jet Propulsion Laboratory, Eagle Eyes lenses filter out harmful radiation, reduce light scattering, and permit vision-enhancing wavelengths of light, protecting eyesight while also improving visibility.
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