UV420 BlueBlock: A new product with Unique UV Protection!
The main source of blue light is actually the solar light, so when we are outdoors are the moments that we are mostly exposed to it. However, there other indoor sources that emitting this specific blue light, like fluorescent light, LED lights and flat TVs.

BlueBlock UV420:

• It offers unique protection from UV up to 420nm.
  
• It filters the harmful radiation of blue light.
  
• It consists of high-tech antireflex coatings of green shade.
  
• High variety in stock: 1.56, 1.60 & 1.67 indices.
  
• It provides the RX manufacturing opportunity in single vision or PAL in indices 1.56, 1.60 & 1.67
  
• Aspherical design in plus (+) dioptries