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 ...

Just 1 in 4 children with autism is diagnosed before age 3, but a new eye-tracking technology may allow for earlier diagnosis and intervention, according to three clinical studies of more than 1,500 ...

Today’s optical illusion is a little trickier than the rest of the days. Apart from testing your eyes, we are also interested in knowing how much focus and concentration you have, which can enhance ...