Explore the surprising limits of human ocular perception and the range of sights we can and cannot detect.

In a study published in Science Advances on Friday, April 18, a group of five researchers stimulated retina cells in participants' eyes, who, afterwards, claimed to have seen a color no human has ...

Using an experimental technique called "Oz," researchers stimulated the human retina such that people saw a brand-new color.

Researchers unveil a groundbreaking method to stimulate retinal M cells, creating a new color, "olo," beyond human vision's ...

"It is not a new color," John Barbur, a professor of optics and visual science at City St George's, University of London, ...

Scientists have created a technology called Oz that stimulates individual photoreceptor cells in the human eye to create an entirely new, ultra-saturated color never seen in nature—dubbed olo.