Advantages

• The color difference is minimized compared to the conventional coloring.
  
  
• The color of lens can be managed by the numerical value.
  
  
• Lenses can be dyed in any color.
  
  
• Special gradation can be designed, which had not been possible with the conventional coloring.
  
  
• New coloring can be applied to various types of lens, such as 1.74, polycarbonate, etc.
  
  

Comparison with the Conventional Coloring

The difference in the density, as well as in chromaticity, are reduced by one-half compared to those of conventional coloring.

The comparison of chromaticity coordinates