Wearable Glucose Monitor (IMAGE) Optica Caption This shows the new glucose- and dehydration-monitoring "watch," strapped to a subject's wrist and connected to a computer for readout. Credit Credit: <i>Biomedical Optics Express</i>. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.