Research Article
Clinical Characteristics, Treatment Patterns, and Outcomes of Primary Canaliculitis among Patients in Beijing, China
Figure 3
The filling defect of canaliculus with dilation (a) and the residue of the contrast medium (b) presented in the dacryocystography of canaliculus patients. Green arrow: the filling defect of the canaliculus. Red arrow: the residue of the contrast agent.
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(b) |