Uvex Eyewear Safety Glasses Astrospec 3000  Yellow/Black/Yellow Frame Amber Lens S14999

It is an old stock Beautiful , good quality, and Made in USA ( not the imported) , it is not avail in the market now.

Amber color is a color between Gold and Orange color. color amber can refer to a range of yellow-orange colors.

In eyewear the Amber color lenses can light up your vision, and feel more strong light on object. see more clearly.  

Amber lens tints are helpful in low-light conditions because they make an environment appear brighter. They also enhance contrast and depth perception and are great for overcast, hazy and foggy conditions. Also, these lens tints block blue light. with its shorter wavelength, scatters easier than other colors and makes focusing on objects difficult. Removing blue light improves sharpness and depth perception and reduces eye fatigue. 

Baseball players, golfers, cyclists and hunters often prefer yellow and amber tints. In overcast and hazy conditions, the extra water vapor in the air increases the scattering of blue light. This decreases visual acuity and depth perception. Eyes must then work harder, which results in eye fatigue and sometimes headaches. Yellow and amber tints reduce the impact of blue light in these conditions.

Yellow tinted lenses also benefit anyone spending a lot of time in front of a computer screen. Computers, game consoles, smartphones, etc. produce a lot of blue light. Wearing yellow/amber tinted eyewear blocks blue light to help reduce eye fatigue and strain.

Health:

Amber colored lenses, which block blue light, can help regulate the mood of those suffering from bipolar disorder, insomnia, sleep deprivation as well as other maladies,“Many people with macular degeneration have reduced color vision and reduced contrast vision. The use of yellow, amber and brown lenses can improve contrast vision and make it easier to see, especially in bright light, natural light or light that comes from bulbs

Ultra-dura hard coating improved scratch resistance,

Duoflex, Pat. No.: 5 345 616

excellent UV absorption. these Uvex poly-carbonate lenses block over 99% UVB and 99% Uva radiation. and

exeeds ANSI Z87.1/CSA Z94.3  special purpose UV filtration requirements ( blocking at Least 99% UVA and 60% UVB)

Resistant to wide range of Chemicals.