eyesight

  • Just How Safe Is Laser Eye Surgery?

    Just How Safe Is Laser Eye Surgery?

    The offers began arriving by email in January: a chance at clearer vision for the special price of US$299 per eye. Over the next four months, I received 20 ads from the same company — each offering the same deal for the “safe, FDA approved” surgery.


  • A Display-Tweaking Algorithm Could Let You Ditch Glasses And Contacts

    A Display-Tweaking Algorithm Could Let You Ditch Glasses And Contacts

    I spend too much of my waking life staring at screens. If you’re reading this, you probably do too. So instead of putting things on or in front of our imperfect eyeballs to correct and protect them, how about rethinking the screens we’re staring at? Researchers at Berkeley, MIT and Microsoft have developed a prototype…


  • This Man Who Sees With His Ears

    Daniel Kish lost his eyesight when he was 13 months old. For most of his youth, he functioned fine without a walking stick. He mountain bikes. He camps alone. He moves through cities handily. All thanks to advanced echolocation abilities.