CLs Change Color When Sugar Levels Change

"For the millions of Americans with diabetes, the inconvenient and often painful method of testing blood sugar levels is a way of life. But research and innovative product design by scientists at The University of Akron may eliminate the need for needle pricks, blood draws, or other invasive devices," according to a University of Akron post. "Researchers have developed a contact lens that senses glucose which is the blood sugar in tears, the natural fluid that bathes the eye. If sugar is not being metabolized properly and glucose concentration builds up in the body, the contact lens will detect a problem and change color." Read more.