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Diabetic retinopathy is currently treated by highly invasive repeated therapeutic injections to the eyeball or thousands of small burns made with a laser to destroy capillaries near the edges of retina under anesthesia. Both procedures are considered highly painful for the patient.
Through the study with diabetic animal models, the researchers confirmed that the diabetic retinopathy did not appear in animals that wore the smart contact lenses and irradiated with 120 µW far red/LED light to the retina for 15 minutes 3 times a week for a total of 8 weeks. In contrast, the animals that did not wear the lenses showed retinopathy. The safety and effectiveness of the lenses were also confirmed by the histological analysis of the cornea and retina.
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Diabetic retinopathy is currently treated by highly invasive repeated therapeutic injections to the eyeball or thousands of small burns made with a laser to destroy capillaries near the edges of retina under anesthesia. Both procedures are considered highly painful for the patient.
As per the lead author, Professor Sei Kwang Han: “This study has demonstrated the feasibility of a lens-type wearable device for the applications not only to monitoring oxygen saturation, heart beating rate, and ophthalmologic diseases, but also to treating depression, insomnia, neuronal diseases and more.”
Published in the international academic journal Advanced Science, this study was conducted by the support from the Nano · Material Technology Development Program, Disease Oriented Translational Research, Mid-career Researcher Program, Brain Korea 21 Fostering Outstanding Universities (FOUR) project, and the Korea Medical Device Development Fund of the National Research Foundation of Korea, and by the World Class 300 Project of the Ministry of SMEs and Startups of Korea.
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