Same eye floater seems to be appearing in both eyes. Possible causes of this besides eye floaters?

I noticed this today. I was closing my left eye, then my right to see which eye my floater was in, and to my surprise it was in my vision when I closed either eye. Has anyone else experienced this? And if so, any idea what it could be besides floaters? From what I know, floaters are not the same in both eyes.

submitted by /u/Nicod27
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