Every year, TV makers promote sharper, clearer screens, but there’s a point where your eyes can’t tell the difference.

When Apple introduced the Retina Display in 2010, the company made a bold claim: the screen packed in so many pixels that the human eye couldn’t discern individual dots. Steve Jobs declared it had ...

UFC heavyweight champion Tom Aspinall still cannot see out of his right eye after he suffered an eye poke from Ciryl Gane during their UFC 321 title fight on Saturday.