Thus , its use following external dacryocystorhinostomy , a procedure for the management of nasolacrimal duct obstruction , is being researched .
Antimetabolites have been shown to decrease fibrosis of operative sites .
Its use following external dacryocystorhinostomy , a procedure for the management of nasolacrimal duct obstruction , is being researched .
Antimetabolites have been shown to decrease fibrosis of operative sites .