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Decentralized Instagram alternative Pixelfed launches mobile apps
(techcrunch.com)
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Fine, let's play. Wheres the study you are using as your source?
Pick up an opthalmology book, find it yourself & ask your opthalmology specialist Those are my sources & here's a website too (do you have the guts to touch grass ?)
I already mentioned it, it's the same reason why we use blue-light filters & why we use anti-glare screen protectors
But apparently a single "google-search" is enough for you