red eye

hi all! i noticed today that cookie has been squinting one of her eyes a lot and it looks a little pink. i put pictures of the eye shes squinting and her other eye at the same time. anyone know if this is bad and if so what the problem is? thanks :)

So earlier today we noticed Blueberry's eye looked a bit funny and throughout the day it got progressively worse. I just went to check on him and it's all red and he seems to struggle with keeping it open. I've checked multiple times and there doesn't seem to be anything in it. He has a dodgy...