Blue Violet Light Filtering Lenses

Research has shown that lenses that block blue light with wavelengths less than 450 nm blue violet light increase contrast significantly.

Blue violet light filtering lenses.

Preventive action against blue violet light the accumulated attacks of harmful light on our eyes over time should not be ignored. 4 the normal crystalline lens absorbs uv light up to 400 nm. Blue light blocking glasses have filters in their lenses that block or absorb blue light and in some cases uv light from getting through. More precisely the blue light portion comprises violet light 400 to 440 nm and blue light 440 to 500 nm.

Essilor offers filter lenses against uv and blue violet rays to help you prevent age related macular degeneration amd and cataracts. Crizal prevencia lenses are no glare lenses that block out blue violet light while still allowing beneficial blue turquoise light to pass through. 1 3 the human cornea filters uv light of less than 300 nm. The use of a combination of photocromic lens with a selective blue violet light filter showed functional benefit in all evaluated patients.

If you re spending your day on the computer you should be putting on blue violet light filtering lenses to improve screen contrast and your comfort. The company embeds the filtering technology into the lenses so they filter 50 of all blue light and nearly 90 of the highest range without distorting color. Uvex skyper blue light blocking computer glasses. The acrysof natural transmits approximately 85 of light in the 507 nm range.

That means if you. Because rod sensitivity peaks at 507 nm theoretically blue light filtering lenses may adversely affect scotopic vision. This light filtering lens coating is referred to as invisibles blue. This is similar to the light.