Each lens undergoes extensive tests using a centesmimal lens analyzer. We only use first quality lenses. Those that do not meet the standards are destroyed. The guarantees Persol lenses to be free of any chromatic or optical defects.
Natural colours remain unchanged and vision is pleasant and restful.
For specific protection needs. Persol has perfected over the years special multi-layer and polarizing lenses which filter visible and invisible radiations uniformly eliminating every possibility of glare and refraction. These have been joined by special melanine treated lenses obtained by means of the synthetic reproduction in laboratory of this pigment found in the human body and capable of presenting a totally naturally protection. In addition to using known products. Authorized Dealer of Persol Eyewear.