Figure 3: (A) 20-year-old male with right bicanalicular laceration caused by sharp trauma. 1st and 3rd arrows indicate the Ritleng intubation system placed at the proximal and distal ends of the upper canaliculus. 2nd. arrow: Inserting the tube from the proximal end of the lower canaliculus to the distal end with Ritleng probe, (B) Image of the Ritleng tube taken from the nostril (1st arrow), which was inserted through the lower and upper canalicular system of the same patient. (2nd arrow).