McCollough effect


McCollough effect

A phenomenon observed by those who have worked for a prolonged period with a computer monitor that displays green lettering on a darkened background, who find that white paper acquires a pink hue.
The effect is caused by adaptation of cortical neurons to specific combinations of colour and form; it may last for several weeks and is of no clinical significance.

McCollough effect

A phenomenon observed by persons who have worked for a prolonged period with a computer monitor that displays green lettering on a darkened background, who find that white paper acquires a pink hue. See Video display unit.