We all know it's a bad idea to use electronic screens directly before bed. (Despite this, most of us do it anyway -- those Netflix shows aren't going to watch themselves, right?) The artificial light emitted by laptops, tablets and smartphones has been linked to disrupted sleep alongside a variety of more serious ailments. But is it actually dangerous? The evidence in this infographic makes for some scary reading...

Be My Eyes, an app that lets sighted people remotely help blind people with visual tasks, is now available on Android, after two years on iOS.

Contact lenses are the best -- but they can be incredibly tricky to get in. If you're just getting started with contacts, or if you've always had trouble, here's one easy trick to help you get them in.

Two weeks ago I paid to have lasers fired into my eyes. The next day I woke up like Peter Parker, post-spider bite. I couldn't climb walls, but I could see so well I felt like a superhero. For the first time since I was a kid I could open my eyes and just see. My laser eye surgery story isn't quite comic book-worthy, but here's everything that happened, in case you want those powers too.

On the morning of March 9, there will be a total solar eclipse. From Australia, we'll only get to see a partial eclipse -- but the sight should still be highly arresting -- especially if you live in Darwin or Cairns. Here's how to watch this celestial event without damaging your eyes.