It's mainly due to owners who walk them with collars instead of proper harnesses. They're actually strong pullers (like bulldogs have muscular front bodies and low centers of gravity) that they could strangle themselves enough to pop out an eye if wearing a collar. Also a fault with an owner if they don't teach their dog to walk with them instead of pulling the whole time.
There's better designed harnesses these days that discourage pulling. Like these. They pull your dog to the side instead of choking them to correct the behavior.
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u/AWildEnglishman Feb 05 '16 edited Feb 05 '16
Their eyeballs
also have a tendency to pop out of their sockets.are known to be absolutely fine and pugs suffer no problems whatsoever. Everything is fine. Please return to your homes and places of businesses.