Figure 2
From: Nasolacrimal intubation in transcanalicular endoscopic dacryoplasty: a long-term follow-up study
Intraluminal view of the site of nasolacrimal duct obstruction during treatment with transcanalicular microdrill dacryoplasty. (a–d) represent the chronological image sequence with enlargement of the opening after application of the microdrill (dotted black line).
