Explore the science behind afterimages and pressure phosphenes, the visual illusions that create fleeting patterns of light and color when you rub your eyes.
Explore cataracts, a leading cause of blindness, and discover the history of treatment, from ancient methods to modern surgical advancements that offer hope for millions.
Explore the fascinating similarities and differences between how your eyes and a video camera perceive the world. Discover how evolution has shaped our vision and the role our brains play in filling in the gaps.