I thought I saw it just now, but I can’t be sure if I saw it right?
I’m not a vet, but I believe that can be cause for concern. It’s called anisocoria (in humans, too). Here’s some info on possible causes.
Well, mine can, so I would say a cat’s can as well.
Yes. Cover one eye in bright light for a few seconds.
Thanks, guys. I’ll keep a sharp eye on it. So far I think it was a illusion on my side. Haven’t observed it again. But I’ll stay vigilant.