I'm having a very strange symptom at the sight

I’m having a very strange symptom at the sight, if I read writings on the PC, they remain imprinted in my eye like a halo or a light that persists for some time until it disappears. I mean, I see all the lines on the walls, etc. What is this shit? :slightly_frowning_face::slightly_frowning_face::slightly_frowning_face:

It seems that the PFS really has no border on the damage it can do.

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