a healthy and diseased inflamed conjunctiva of the eye. the concept of the disease, seasonal allergies, eye redness. flat

allergic allergy anatomy background bacteria bacterium blood care cleaning conjunctiva conjunctivitis damage disease eye eyeball eyelid eyesight graphic hydration icon ill illness illustration infection inflamed inflammation injury iris irritation isolated itchy look medical medicine optical pain problem pupil red reddish redness sick sore symptom treatment vector viral virus vision wound