A performance enhanced photochromic eyewear comprising: a base ophthalmic lens ; a photochromic changeable tint element disposed over or within the base ophthalmic lens; and a heat management system, the heat management system comprising: a transparent heating element adapted to heat the photochromic changeable tint element; a first photosensor configured to sense a change in ambient light or to sense a level of ambient light; a second photosensor, an energy source electrically connected to the transparent heating element; and a controller electrically connected to the first and second photosensors, wherein the controller is adapted to detect input from the first and second photosensors, and to control the transparent heating element based upon input from the first and second photosensors; characterized in that the controller is configured to turn on the transparent heating element when a decrease of ambient light is detected using the first photo sensor, and in that the controller is configured to turn off the transparent heating element when a predetermined level of clearing of the photochromic changeable tint element is measured by the second photosensor. a base ophthalmic lens ; a photochromic changeable tint element disposed over or within the base ophthalmic lens; and a heat management system, the heat management system comprising: a transparent heating element adapted to heat the photochromic changeable tint element; a first photosensor configured to sense a change in ambient light or to sense a level of ambient light; a second photosensor, an energy source electrically connected to the transparent heating element; and a controller electrically connected to the first and second photosensors, wherein the controller is adapted to detect input from the first and second photosensors, and to control the transparent heating element based upon input from the first and second photosensors; characterized in that the controller is configured to turn on the transparent heating element when a decrease of ambient light is detected using the first photo sensor, and in that the controller is configured to turn off the transparent heating element when a predetermined level of clearing of the photochromic changeable tint element is measured by the second photosensor. a transparent heating element adapted to heat the photochromic changeable tint element; a first photosensor configured to sense a change in ambient light or to sense a level of ambient light; a second photosensor, an energy source electrically connected to the transparent heating element; and a controller electrically connected to the first and second photosensors, wherein the controller is adapted to detect input from the first and second photosensors, and to control the transparent heating element based upon input from the first and second photosensors; characterized in that the controller is configured to turn on the transparent heating element when a decrease of ambient light is detected using the first photo sensor, and in that the controller is configured to turn off the transparent heating element when a predetermined level of clearing of the photochromic changeable tint element is measured by the second photosensor. <EOS>