How much UV rays can be blocked by SWANS snow goggles?
Ultraviolet rays can damage not only the skin but also the eyes. It has been pointed out the prolonged exposure to strong sunlight not only causes painful inflammation, but also contributes to eye damages. All the lenses used by SWANS (except some Yamamoto products for special purposes) block more than 99.9% of harmful UV rays regardless of the lens color.
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