| October 15, 2017
In light of such findings, applications and software first of all came to market. One of the most widely known is F.lux for iPad and iPhone, which warms up the display’s color temperature, giving the screen a yellower overtone for a less harsh effect. Twilight for Android serves a similar propose, automatically adjusting the effect in relation to sunrise and sunset times. Finally, some smartphones and computers have built-in blue-light filtering or dimming modes to reduce the intensity of blue light emitted.