Funding for this research was provided by:
sung wha medical Inc.(Seoul, Korea) - seller of dacryoendoscope
Article History
Received: 27 March 2020
Revised: 2 May 2020
Accepted: 18 May 2020
First Online: 28 May 2020
Compliance with ethical standards
:
: This study was funded by Sung Wha medical Inc. (Seoul, Korea) – the seller of dacryoendoscope. The sponsor had no role in the design of the study, collection and analysis of data and decision to publish. The authors have no other conflicts of interest to disclose.