Most people wear contact lenses for aesthetics. Can you imagine one day wearing contact lenses for health? Researchers at Oregon State University are working on an experiment that uses ultra-thin transistor technology to develop contact lenses that measure blood sugar and predict health problems.
A team led by Oregon State University professor Gregory Herman developed a transparent biosensor that attaches the sensor to a contact lens to detect the symptoms of many diseases. At this stage, this product can only measure blood sugar levels, but the R&D team believes that in the near future, it can be used to measure other vital signs, alert health problems, and may even warn of cancer. A few years later, on the pharmacy shelf, you might find this special contact lens. However, the R&D team still faces many technical challenges. On April 5th, the study was presented at the 253th ACS (American Chemical Society) exhibition.
The original intention of this study was to help people with diabetes. Diabetes patients can now monitor blood glucose levels by implanting sensors subcutaneously. However, subcutaneous implantation can cause problems such as pain, skin irritation, and infection. In contrast, disposable biosensing contact lenses have obvious advantages. Contact lenses are more practical and safe, and cause almost no trauma.
A few years ago, Herman and his colleagues came up with the idea of ​​using semiconductors made of gallium zinc oxide compounds in diagnostic medicine. Such semiconductors have revolutionized electronics, making it possible to bring HDTVs, smartphones, and tablets.
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