Our premium high-index organic lens material
Eynoa 1.67 is Hoya’s premium high-index lens material that keeps up with the latest trends in fashion and design. Thin and lightweight yet optically pure, it offers the perfect combination of clarity, comfort and style.

Key features
With a refractive index of 1.67, Eynoa is especially suited to the needs of wearers with a moderate to high prescription who require a strong, elegant lens. It is:

  • Strikingly thin: Up to 40% thinner than a standard index lens
  • Strong and flexible: Five times stronger than a standard index lens
  • Reliable: Heat resistant up to 95°C for easy processing, including tinting and coating

Key benefits
Eynoa 1.67 is the perfect combination of looks and substance. Choose this premium lens material and benefit from:

  • Optical purity and exceptional durability
  • Lightweight lenses that are extremely comfortable to wear