GUNNAR Glasses Case
What is Blue Light
Protection Factor™ (BLPF)?
Just how Sun Protection Factor (SPF) measures protection for the skin, the BLPF scale measures lens protection for the eye against artificial blue light. The higher the number, the better.
For discreet protection without the amber tint
For optimal protection and performance
For protection from digital screens in sunlit environments
Max protection for those who are highly sensitive or working at night