As clear as possible – as dark as required – in record time! SEIKO Transitions is the intelligent lens that automatically adapts itself to ambient light conditions. Being virtually clear indoors, the lenses darken within seconds of being exposed to sunlight. Simultaneously your eyes are protected against interfering wavelengths from artificial light and ultraviolet rays. The SEIKO Transitions lenses are ideal for every day wear and are so thin and lightweight, you will hardly know you are wearing them. In a recent consumer survey, 82% complained about glare, 73% had sensitive eyes and 60% suffered from tired eyes.