A team of researchers from Purdue University collaborated with engineers and clinicians to
The team's work is published in the journal Nature Communications.
“This technology will be very useful forpainless diagnosis or early detection of many eye diseases, including glaucoma,” explains Chi Hwan Lee, assistant professor of biomedical engineering and mechanical engineering at Purdue, who leads the development team.
Previously, sensors or other electronics could notused for commercial soft contact lenses. The fact is that the production technology required a rigid flat surface, incompatible with the soft curved shape of contact lenses.
Then scientists proposed a unique waywhich enables seamless integration of ultra-thin, stretchable biosensors with commercial soft contact lenses through a wet adhesive bond. Biosensors built into them record the electrophysiological activity of the retina on the surface of the cornea of the human eye without the need for local anesthesia. It is required in the current clinical setting for pain relief and safety during the procedure.
The new technology will enable doctors and scientists to better understand the spontaneous activity of the retina with greater accuracy, reliability and user friendliness.
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