Here is a smart wearable device that attaches to regular glasses and enables visually impaired and blind people to live life more independently. It has a camera that can read text and recognize colors. The OrCam MyEye 2.0 comes with facial recognition. It can read newspapers, signs, labels, currencies, and everything in between.
The device weighs only 0.79 ounces. It can read red and green signals at pedestrian crossings. The above video shows the MyEye 2.0 in action.