3D morphological classification of the nasolacrimal duct: Anatomical study for planning treatment of tear drainage obstruction.
Sohyun LeeU-Young LeeSuk-Woo YangWon-Joon LeeDong-Ho KimKwan Hyun YounYi-Suk KimPublished in: Clinical anatomy (New York, N.Y.) (2020)
There were sex differences in NLD measurements, and females had significantly smaller NLDs. These results may partially explain the increased prevalence of primary acquired NLD obstruction in females. The BNLD tends toward the midline, and inclines posteriorly.