All those who work a lot at the computer or who need their eyesight restored! - page 12

 
moskitman:
What's the catch?
 
The portrait is there.
 
I don't know, I don't know. My lines on the LCD work like a strobe light :-)
 
jartmailru:
I don't know, I don't know. My lines on the LCD work like a strobe light :-)
You have to turn your head left and right and keep looking at the grid
 
It's simpler to move away and unfocus your vision.
 
TheXpert:
It's simpler to move away and unfocus your vision.
It's even easier to look sideways (at an acute angle).
 
PapaYozh:
You have to turn your head left and right and keep looking at the grille
Yes, we do, thank you!
 
 

It's not here. It's right here:


 

In the last picture, if you focus your eyes, as with the camel picture, the middle of the picture becomes concave. It's like a rectangular pit.

I quickly found the letter C. It is interesting that by shifting the eyes by 4 columns, for example, the part of the row of 4 characters from C to C becomes convex.