A team from Sun Yat-sen University in Guangzhou says their hi-tech contact lens could be used to monitor and regulate eye pressure before glaucoma surgery and as a bandage after the procedure without blocking vision.A new smart contact lens developed by Chinese scientists could sense eye pressure and treat glaucoma by delivering drugs when needed, the researchers said.
The team said the tests found the device sensitive and reliable when monitoring and regulating pressure in live rabbits and the eyeballs of pigs, which were similar to human eyes. The number of people with the disease is projected to rise from 76 million in 2020 to 95 million globally in 2030, according to the World Health Organisation .
The delivery is done via iontophoresis, a non-invasive delivery system that uses a low-amplitude electrical current for positively charged drugs to migrate across corneal barriers.
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