See Also: Ponzo illusion(dictionary)
illusion(dictionary)
illusion(medicine)
illusion(dictionary)
Illusion(health)
illusion of doubles(medicine)
Poggendorff illusion(dictionary)
optical illusion(dictionary)
Ehrenstein illusion(health)
illusion of movement(medicine)

Ponzo illusion (iou)



Ponzo illusion noun phr. M20.
[Mario Ponzo (1882-1960), Italian psychologist.]
An optical illusion in which two parallel straight lines of equal length appear unequal when seen side by side against a background of converging lines.