I have a 4-5 year old rex named Whyley who was having a little watery eye so we took him to a vet who said his eye had a scratch and gave us lubricating drops- after a few days his eye rapidly got worse and was almost sealed shut with white pus- we took him to the emergency vet (on Christmas...
So we got a rabbit a year ago at a reptile show... Obviously not bred as a pet, but I'm not sure if that matters... Anyway he is kind of a 'king' bunny and very demanding when he wants to be pet or wants treats (obsessed with banana and cilantro/mint and always has to be in the right order...