South Korean scientists have developed «smart» contact lenses capable of stimulating mood-related brain regions through the retina and potentially treating depression. So far, the technology has only been tested in animals.
How the technology works
The concept is based on the eye’s direct connection to the brain through the retina, which researchers describe as a promising pathway for noninvasive brain stimulation.
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In the study, researchers divided mice into four groups: healthy mice, untreated mice with simulated depressive symptoms...