Luxury photochromic frames designed for dioptric lenses. A classic rounded shape that will not offend any face. These lenses are smaller, so suitable for children or smaller faces.
The photochromic frames are self-darkening, allowing them to adjust themselves to the surrounding weather, within a pre-defined range of solar intensity. NTS (non temperature sensitive) technology activates the tint of the lenses according to the intensity of UV radiation, not the ambient temperature. Thus, in the sun, the lenses darken and become more saturated