Blue Cut
Embedded filtering system against UV and blue-violet light.(1)
An embedded light filtration system
Blue cut is a technology that is embedded in the lens and filters blue-violet light(1) while maintaining aesthetic lens clarity.
Essilor worked hard to include technologies that absorb the residual yellow tint that is often a side effect of the blue-violet filtering material technology to give finished products that are aesthetically completely clear.
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(1) Blue violet light is between 400 and 455nm as stated by ISO TR 20772:2018.