Your smartphone could soon act as a glaucoma testing device
 

We've seen smartphones work as electrocardiograms, so why not use them to test for glaucoma at home? That's the idea behind Cambridge Consultants' Viewi headset. Rather than hitting the hospital or optometrist's to monitor your vision, you could simp...

https://www.engadget.com/2016/09/11/...esting-device/