Google on Thursday unveiled a new Google X moon shot project that’s supposed to help patients diagnosed with diabetes better measure and manage blood sugar levels – a smart contact lens that can test tears and alert the wearer, potentially with help of a LED light. The contact lens, which still has many obstacles to overcome until it becomes a product available to potential buyers, packs “chips and sensors so small they look like bits of glitter, and an antenna thinner than a human hair.” At this time, it’s not clear how the lens will connect to other smart devices such as smartphones and tablets to transmit recorded data, or whether this will indeed be a feature. According to Re/code,