To soothe eyes that are exposed to sources of artificial blue light (cell phones, tablets, computers, TVs, etc.), improve sleep quality, and prevent eye disease. The blue light protection filter also includes 100% UV protection, even for our non-prescription and CR-39 index lenses and helps to reduce glare and combat light sensitivity! 

This treatment is a thin film applied on the two surfaces of the lens, which reflects and rejects the blue light. It has a light yellow tint to it.