Fig. 2

Laser-assisted dacryocystorhinostomy. a Laser fiber (300 µm in diameter), connected to a 810-nm wavelength diode laser, fitted into a handpiece. b Correct positioning of the laser fiber with mediorostral orientation. c Transillumination shortly before the tip breaks through the nasal mucosa at the anteroinferior rim of the middle turbinate. d A blunt metal probe guiding a silicon tube is pushed through the ostium