title: The effect on the magnitude of the horizontal-vertical illusion of horizontal retinal eccentricity.
mesh_terms: D000328:Adult; D005260:Female; D005403:Fixation, Ocular; D006801:Humans; D007088:Illusions; D008297:Male; D008875:Middle Aged; D009903:Optical Illusions; D010775:Photic Stimulation; D012160:Retina; D014796:Visual Perception