“It was only a matter of time before smartphones made the transition from communication device to full blown Star Trek tricorder. And with the development of Peek (an acronym for Portable Eye Examination Kit), that transition is nearly complete,” notes Gizmodo. “Peek…[is] currently being tested on 5,o00 people in Kenya who might not otherwise have access to an eye doctor, and it's damn close to providing all of the same service. The app uses the smartphone's camera to scan the eye for cataracts and activates the camera flash to scan the back of the eye for disease. It also employs a shrinking letter on the screen to conduct eye exams in the field.” Read more.