Which condition is characterized by abnormal eye discharge in rabbits?

Conjunctivitis is specifically characterized by inflammation of the conjunctiva, the tissue that lines the inside of the eyelids and covers the white part of the eyeball. This condition can lead to abnormal eye discharge, which may present as watery or mucous-like secretions coming from the eyes. Rabbits suffering from conjunctivitis may also exhibit other symptoms, such as redness of the eye, swelling of the eyelids, or excessive tearing.

In contrast, ear canker primarily affects the ears and does not typically cause eye discharge. Fungus growth can affect various parts of a rabbit's body but is not associated with abnormal eye discharge as a primary symptom. Pot belly refers to a distended abdomen and is usually associated with digestive issues or parasites rather than issues with the eyes. Thus, when considering conditions that cause abnormal eye discharge in rabbits, conjunctivitis is the clear and relevant choice.