There is a bit of it. I just use 3-4 paper towels. Put your fish in between the sheets of it, and let the water soak in a little bit so you can see where the head is. If you're confident in your hit, you can look away, but I find the paper towels block the most gruesome bits of it.
Well he was a few days ok, he seems ok now.. Before he was rolling and couldn't get air easily, he would barely make it up and then sink the the bottom and roll :( He's just back to sleeping all the time, which is ok.