Lens materials: compare more than index

Selection questions

What is the frame? What is the full prescription? Is the priority appearance, weight, cost or a specific use? Compare current technical sheets for available products.

Recording differences

Use the same comparison criteria for every alternative. Distinguish material properties from treatment or commercial design benefits.

Limit

This page does not rank manufacturers or replace protective requirements for specific activities. Confirm suitability with the professional and manufacturer.

References

• ZEISS — High index lenses

Related topics

• Refractive index: why prescription power alone is not enough
• Lens thickness: inputs needed for an estimate