The Flicker Fusion Threshold is the point at which a series of rapidly flashing lights appears to be steady to the human eye. This phenomenon occurs because our visual system can only process a limited number of images per second. When the frequency of the flickering exceeds this limit, the brain perceives the light as continuous rather than intermittent. This threshold varies among individuals and can be influenced by factors such as lighting conditions and the brightness of the light source. Understanding the Flicker Fusion Threshold is important in fields like psychology, neuroscience, and optometry, as it helps in studying visual perception and designing effective lighting systems.