A 2-month-old child presents with watering from the right eye since birth and matting of the eyelashes. On examination, the corneas are clear and pupils react to light. The probable diagnosis is nasolacrimal duct obstruction. Management would include applying eye drops to resolve matting and probing the nasolacrimal duct if obstruction persists past age 6-12 months. A 40-year old man has right-sided nasal pain, swelling and redness, indicating acute sinusitis. Treatment would be antibiotics and saline irrigation. Complications include orbital or intracranial infections. A 65-year old man has a right eye swelling that expresses pus when pressed, suggesting a dacryoc