The peripheral drift illusion causes us to perceive motion in a still image. A new study shows that the mechanism of this illusion relies on changes in pupil size.

A life-size bronze statue of the late Johnny Clegg was unveiled at the Long March to Freedom at Century City in Cape Town on 27 March 2025. Picture: Lauren Isaacs/EWN CAPE TOWN - A life-size ...

Bull’s-eye maculopathy is an eye problem that affects the macula, the part of the retina that helps you see details clearly. It gets its name because the damage creates a ring-shaped pattern, like a ...

Macular edema is swelling in the eye's retina that causes blurry vision but can progress to more serious vision loss. The most common condition associated with macular edema is diabetic retinopathy, ...