Service 15 • Technical Guide
REFRACTIVE INDEX
Guide
Complete guide to understanding refractive index values and their impact on lens thickness, weight, and optical performance.
Index Values
1.5 to 1.74 range options
Thinner Lenses
Higher index = reduced thickness
Lighter Weight
Enhanced comfort for strong prescriptions
Expert Selection
Optimal index for your needs
Refractive Index
Optical Performance Guide