1. Polarization angle and curvature of the lens is designed based on precise optical principles. Wearers will never have the feeling of scene distortion and dizzying feeling which would occur when wearing imitated glasses!
2 Each lense is enhanced by the original manufacturer,thus become scratch-resistant and not easily deformed, or broken. Its security and performance will not change after using for a long time!
3. The manufacture process and the materials of frames have been designed and chosen by professional experts. Wearers will feel comfortable and they could last for a long time.