The association of radioiodine therapy for the treatment of thyroid cancer with nasolacrimal duct obstruction has been well documented in the medical literatur…

Nasolacrimal Duct ObstructionThyroid Cancer

~Estimated

~$10 – $6,250

Vanderbilt University Medical CenterNCT05999630

Portable Endoscopic Camera System Using Modified Action Camera for Endoscopic Sinunasal Examination

This study is designed to compare two methods for performing a nasal endoscopic examination used in the evaluation of excessive watering or tearing of the eyes…

Nasolacrimal Duct ObstructionNasolacrimal Tract Obstruction

~Estimated

~$10 – $750

University of ArkansasNCT07289854