#134415
There have been cases of parasites attacking people's retina, so the general answer to your question is yes, it's possible. A parasite cleanse wouldn't hurt you, and could help you. No one can guarantee it would cure the problem.
I had those lightning strike lights as precursors to migraines, and my doctor took me off of birth control pills because of them, and because I was getting spider veins in my legs, which he said along with the flashing lights was a warning sign of strokes.
I never get them now, not for all the years since I've been off the pill.