Premium organic lens material
High Index is Hoya Vision’s most successful premium lens material and a best-seller for more than 15 years. The success of High Index lies in its reliability, optical clarity and exceptional comfort.
With a refractive index of 1.60, High Index is especially suitable for wearers with a moderate to high prescription. A class leader in optical purity it is heat resistant up to 110°C for easy processing, including tinting and coating, and meets our demanding standards for drilled or groove-mounted frames.