Is your ultra-high-definition television really worth it? Do you need a 4K or an 8K screen to get the best viewing experience ...

A challenging optical illusion tests eyesight and concentration by hiding a number within a dizzying pattern. The article offers tips like systematic scanning and softening focus to help spot the ...

A team of researchers at the University of Cambridge set out to determine the true number of pixels the human eye can actually perceive. Using a ...

Making time to catch the latest Netflix hit? Easy. Making time to visit the eye doctor? Surprisingly difficult. Enter: Online eye exams — because if you can do it from your couch, why wouldn’t you?