Lacrimal Duct Obstruction

• University of Arkansas for Medical Sciences — Little Rock, Arkansas, United States

• Vanderbilt University Medical Center — Nashville, Tennessee, United States

• Louisiana State University Health Sciences Center — New Orleans, Louisiana, United States

Not specified

Not specified

• Bursa Uludag University, School of Medicine — Bursa, Turkey (Türkiye)

• Institiuto de Oftalmología Fundación Conde de Valenciana — Mexico City, Mexico

• Tianjin Eye Hospital — Tianjin, Tianjin Municipality, China

• University Hospital Ostrava — Ostrava, Moravian-Silesian Region, Czechia

• Eye Hospital and School of Ophthalmology and Optometry,Wenzhou Medical University — Wenzhou, Zhejiang, China