Diseases of the eye,ear,nose and throat

This chapter deals with diseases and disorders of the eye, ear, nose and throat. Clinical entities discussed include blepharitis, conjunctivitis, cicatricial pemphigoid, trachoma, allergic conjunctivitis, keratoconjunctivitis sicca, glaucoma, cataracts, diabetic retinopathy, hypertensive retinopathy, retinal detachment, age-related macular degeneration, otitis externa, acute otitis media, chronic otitis media, nasal polyps, rhinitis, sinusitis, acute pharyngitis, acute laryngitis and globus pharyngeus. Each disease entity starts with the definition or description followed by its causes, symptoms, signs, investigations employed and principles of management. Where relevant, the oral and dental aspects of eye, ear, nose and throat disorders are described.