portrait of a dog with eye problem, conjunctivitis. dog with bad swollen eyes due to an infection, dogs eye viewed from the side

allergy animal bubonic closeup concept conjunctiva conjunctiviti diagnosis diagnostic disease dog eye eyeball eyelid face fluid front goopy health help hygiene ill illness infected infection inflammation injury iris isolated look ophthalmology optical pet pink problem puppy pus reaction red rottie skin smart suffering swelling swollen symptom ulcer urticaria vision