Tear-Based Glucose Sensor for Diabetes Monitoring

Diabetic control typically requires daily monitoring of blood glucose levels. This involves finger pricking 2–10 times a day in order to obtain a sample for assay. Many find the finger prick tedious or painful and fall into noncompliance. Others may also dislike the assorted “paraphernalia” that must be carried around. Research into the “next-tech” for diabetes care has led many researchers to investigate tear glucose sensing as an alternative. As promising as many of these devices are, they are many years from market. Here the development of a near market tear glucose sensor is reported.