Familial congenital nasolacrimal duct obstruction
MONDO:0007871Also known as: LCDD, lacrimal duct defect, lacrimal puncta, absence of, nasolacrimal duct obstruction
7 clinical trials for this condition and its sub-types, 7 tagged with Familial congenital nasolacrimal duct obstruction itself.
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Can a birth tissue patch boost tear duct surgery success?
Disease control CompletedThis trial compares two versions of a surgery called external dacryocystorhinostomy, which creates a new drainage path for a blocked tear duct. Half of the participants receive the standard surgery, while the other half receive the surgery plus a piece of amniotic membrane placed…
Sponsor: Instituto de Oftalmología Fundación Conde de Valenciana • Aim: Disease control
Last updated Sep 06, 2026 00:00 UTC
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Nasal splint may improve tear duct surgery success
Disease control CompletedThis study looked at 150 adults with blocked tear ducts who had a surgery called endoscopic DCR. Half received an internal nasal splint during the procedure, and half did not. The goal was to see if the splint helped keep the new tear duct opening clear and reduced scarring. Rese…
Sponsor: Kafrelsheikh University • Aim: Disease control
Last updated Jun 27, 2026 12:36 UTC
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Action camera modified for nose exams – could it replace bulky equipment?
Diagnosis CompletedThis study tests whether a modified action camera can take clear images inside the nose, compared to the standard large camera system. Forty adults with tearing or sinus issues will have both types of images taken during their routine exam. Doctors will rate the image quality to …
Sponsor: University of Arkansas • Aim: Diagnosis
Last updated Aug 13, 2026 00:00 UTC