"visible light communication (VLC) LED-based lamp to send a message to the human brain using the eye retina as a relay node. In fact, the eye and the brain can be seen as a natural VLC receiver"

Bio-Optical Communication: a case-study of Out-to-In Body Interface https://www.google.com/search?q=Bio-Optical+Communication%3A+a+case-study+of+Out-to-In+Body+Interface&sca_esv=9515d3d099d8bbdb&sca_upv=1&sxsrf=ADLYWIIx85jsUAW_aAhPaNvGYI9WkHvKaw%3A1725026184010&ei=iM_RZtwqlvHQ8Q_Y-bOgAQ&oq=Bio-Optical+Communication%3A+a+case-study+of+Out-to-In+Body+Interface&gs_lp=EhNtb2JpbGUtZ3dzLXdpei1zZXJwIkNCaW8tT3B0aWNhbCBDb21tdW5pY2F0aW9uOiBhIGNhc2Utc3R1ZHkgb2YgT3V0LXRvLUluIEJvZHkgSW50ZXJmYWNlSJUnUKsOWNofcAJ4AZABAJgBc6ABwQWqAQM0LjO4AQPIAQD4AQH4AQKYAgKgAh2oAg_CAgcQIxgnGOoCmAMRkgcBMqAHnwU&sclient=mobile-gws-wiz-serp
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Dr. Josep Jornet - Optogenomic Interfaces Controlling Neuronal Networks through Light-mediated programming of Genomic Networks 2020 Walton Institute
https://rumble.com/v4te6mb-may-5-2024.html
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Mrna & Light to "Read & Write" Biology Oxford Chemistry - Controlling DNA Function 2023
https://rumble.com/v4n5w5h-mrna-and-light-to-read-and-write-biology-oxford-chemistry-2023.html