At first, we were excited to hear that Google was finally developing a smart contact lens. At last, we thought, we’ll be able to get all the benefits of Google Glass without looking like a complete and utter ass hat. But sadly, you won’t be able to use Google’s new lenses for finding the nearest Jewish deli or detecting your whiny girlfriend’s emotions. They’re actually only meant for people with diabetes, and are designed to read the user’s blood sugar by measuring the glucose levels in their tears.