Today's modern lifestyle exposes our eyes to increasingly intense light sources, from UV radiation to exposure to harmful blue light emitted by the sun, harsh indoor lighting, and electronic devices such as smartphones and computer screens. Our eyes are overexposed, resulting in discomfort, fatigue, strain, and even pain. Thanks to its revolutionary technology, Transitions brings its users unique solutions and safe vision protection from all types and intensities of light in everyday life.The Transitions Signature GEN 8 lens is the ultimate photochromic lens.Provides clarity indoors, darkening outdoors, reactivation (quick activation/lightening), long-term performance, and protection – the features users want without compromise.