>playing game on TV
>turn down the sharpness in picture settings to 0%, blurry as shit now
>suddenly cones and rods in my eyes start to sharpen and make an attempt to make it look clear again
>my bad eyesight is temporarily gone
>get up and go outside
>i can see in the distance without glasses, goes away after few mins
>i just tricked my eyes into refocusing my vision, and tricked the muscles into doing their job now

What is this?
Did I damage my eyes, or have I just accidentally found the solution to blurry vision?

Please dont try at home, lets talk about it here. my vision was temporarily fixed because my brain thought my TV was out of focus.

Will doing this more damage my eyes, or will it recalibrate them now?