BCLEAR 1.56 Refractive Index Flat Top Bifocal Lenses - Clear Vision for Reading & Distance - Perfect for Computer Work, Reading Books & Daily Activities

Specifications:

This CR-39 Resin Flat Top Refractive 1.56 Index Bifocal lens is suitable for full rim and semi-rimless frames with SPH  +0.75~+3.50 CYL +/- 3.00 or below.

Coatings: UV400, HMC, EMI

These lenses are anti-reflective, anti-scratch and have UV protection. In addition they have an anti-electromagnetic radiation surface coating. This invisible barrier filters out 100% electromagnetic radiation waves and does not produce static electricity. This in turn offers even more protection for the eyes.

For accurate ordering of lenses please see the How to Choose Lenses Index charts in this product page. If you require any additional assistance please contact us via our customer service email at [email protected].