Your eyes have a sort of epidermal layer that can be damaged by all sorts of things. Viruses, dust, poor health, poor sleep. Compound that with eye strain and you have two potent but variable illnesses. Stay hydrated, eat plenty of protein, and hike frequently where your eyes will focus on distant objects.

Or maybe you are describing a schizophrenia thing, kundalini awakening, or something else I don’t have any experience with