And dogs with protruding eyes like Shih Tzus and Boxers have more eye problems. (soonervet.net)
The head is rounded, with full but not protruding eyes, large erect ears, and a jaunty curved tail that is carried gaily and loops over the back. (dogbreedstandards.com)
The lens cup is more suited to dogs with less protruding eyes and eyes that are closer together. (americanpetproducts.org)