title: The red eye. When can you treat--when should you refer?
mesh_terms: D001762:Blepharitis / Q000175:diagnosis; D003228:Conjunctiva; D003231:Conjunctivitis / Q000175:diagnosis; D003315:Cornea; D005128:Eye Diseases / Q000175:diagnosis*; D005129:Eye Foreign Bodies / Q000175:diagnosis; D005901:Glaucoma / Q000175:diagnosis; D006470:Hemorrhage / Q000175:diagnosis; D006801:Humans; D007249:Inflammation / Q000175:diagnosis*; D007634:Keratitis / Q000175:diagnosis; D014605:Uveitis / Q000175:diagnosis; D014606:Uveitis, Anterior / Q000175:diagnosis