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Non-Invasive Glucose Measurements Using Raman Spectroscopy

This innovative technology measures blood glucose levels without the necessity of a needle stick, which could be useful for people with diabetes and other conditions. The concentration of specific molecules in the aqueous humor or watery fluid of the eye provides an accurate reflection of their concentrations in the blood or in the brain.

The new technology uses infrared light, which is comfortable for the patient and doesn’t damage the eye. It is based on Raman Spectroscopy, which elicits a molecular “signature.” The technique may also allow non-invasive monitoring of how children metabolize chemotherapy or antibiotics or how they respond to insulin treatment. It also can detect alcohol levels.

The Eye Technology Institute currently is in Phase I clinical trials for the measurement device to demonstrate that it is safe and effective in humans.