Be careful what you believe about screen time making you blind

If you believe the headlines that have been circulating over the past few weeks, staring at screens is ruining our eyes. “Blue light from phones, tablets could accelerate blindness and hurt vision, study finds,” USA Today declared. Only, that particular study didn’t actually test the blue light that comes out of screens — and it didn’t look at the light’s effects on actual eyeballs.We’ve been through this before: there is some evidence that blue light c