Anatomy and Physiology of the Nasolacrimal Ducts -- Pathophysiological Aspects of PANDO, Dacryolithiasis, Dry Eye, and Punctum Plugs -- Diagnostics -- Nasolacrimal Probing and Intubation -- Dacryocystorhinostomy Surgical Technique -- Dacryocystorhinostomy in Children -- Laser-Assisted Dacryocystorhinostomy -- Complications of Endoscopic DCR -- Nasolacrimal System Injuries -- Microsurgery of the Lacrimal System: Microendoscopic Techniques -- Conjunctivorhinostomy -- Conjunctivodacryocystorhinostomy with the Insertion of a Jones Tube -- Interventional Radiology.