Off-Topic: A Secret Hidden Degeneration Enabler In All Smart Phones

I'm not trained in visual arts … though am thoroughly college educated and very much technically, and I'm old and all of that too.

You can enable the titled degeneration by "reversing" the colors on the phone: black overall background and white text reduces the light pouring into your eyeballs; and enables you to stare at the thing longer!

Something computer people should know, from old style terminals, that those poor people tweak that very way to stare at longer!