UH Engineers Invent Glucose-Sensing Contact Lens

UH Engineers Invent Glucose-Sensing Contact Lens

Blood testing is the standard option for checking glucose levels, but a new technology could allow non-invasive testing via a contact lens that samples glucose levels in tears.

“There’s no noninvasive method to do this,” said Wei-Chuan Shih, associate professor of electrical and computer engineering at the Cullen College who worked with colleagues at UH and in Korea to develop the project, described in the high-impact journal Advanced Materials. “It always requires a blood draw. This is unfortunately the state of the art.”

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