blepharitis. purulent, inflammatory eyes disease

allergy anatomy bacteria bacterial blepharitis blood bloodshot blue conjunctiva contagious disease drop edema eye eyeball eyelids infection infectious inflammation irritant irritated itch itchy lacrimation medical medication ophthalmologist ophthalmology optician optometry pain painful problem problematic pus red redness retina sclera sight specialist staphylococcus swelling symptom tear type vessel viral virus vision