Spectrum SV CR-39 Single Vision Lenses

Shamir Spectrum SV lenses introduce digital freeform technology to everyday single vision. The aspheric and atoric backside design delivers a precise prescription with clear, comfortable vision for distance or reading. Made from CR-39 plastic, this option provides excellent optical clarity and is recommended for lower prescriptions. Each pair is custom-made for your prescription, professionally shaped and installed into your own frames.