Afterimage Trainer -

: An afterimage is a visual sensation that stays in your vision after the original stimulus is gone Exploratorium . This occurs because the photoreceptors in your retina "fatigue" or adapt to a specific color or light intensity Scientific American .

An afterimage is the image that continues to appear in your eyes after exposure to the original image has ceased. You have likely experienced this when staring at a bright light or a colorful pattern and then looking away to see a "ghost" of the image. An is a software, exercise protocol, or visual tool designed to manipulate, extend, or utilize these afterimages to train visual memory, improve focus, and even aid in vision therapy. afterimage trainer