blindness

My cichlid of almost 4 years, suddenly got an illness while I was away. I came back to it with a heavily almost scrapped off eye, and believed that it was popeye. From what I think, I think the eye got too big, and was being chased by a bigger fish, and scrapped it that hard, or it just...

So my swamp with my turtle, erpeton, and a bunch of fish is right in the window. Thinking about the eclipse in a few hours, my first thought was "Wow I bet it's gonna make really cool ripples going through the water, I should video that." But then I started to wonder: Could my turtle and/or...