Optical illusions have a way of playing with our minds. What looks simple at first hides something tricky that tests our patience, focus, and sharpness. This challenge is no different; it will push ...

It’s all in the eyes. They say that eyes are a window into your soul — but research shows they might also serve as an early window into cognitive decline. A study published in Neurology suggests a ...

Warby Parker is updating its vision-testing iPhone app in a big way. It can now perform an eye test requiring only 10 feet of space, 10 minutes, and good lighting. It’s also only $15 and is available ...