Bovine thelaziasis (eye worms).
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D005128:Eye Diseases / Q000662:veterinary; D007629:Kentucky; D009349:Nematode Infections / Q000453:epidemiology / Q000662:veterinary*; D013802:Thelazioidea