This type of evaluation can help define any nasal factors that may impact lacrimal drainage; these factors include nasal septal deviation, inferior turbinate impaction, polyps, tumors, etc.

The nasal bones form the roof, while the frontal process of the maxilla and lacrimal bone form the sides of the nose. Together these structures play a role in the following functions: The nasal bones ...

It involves creating a direct soft-tissue anastomosis between the lacrimal sac and the ipsilateral nasal cavity, via an osteotomy created by removal of the floor of the lacrimal fossa and surrounding ...

the new duct in the nasal cavity could be observed above the middle turbinate by nasal endoscopy. Patency was confirmed by pressing in the area of the lacrimal sac and visualising air bubbles in the ...

The thick diameter in lacrimal ultrasonography had significantly positive correlations with tear meniscus height (r=0.404, p<0.01), and significantly negative correlations with OSDI (r=-0.273, p<0.05) ...

After dilatation of the superior and inferior lacrimal puncta and irrigation with an astringent fluid, the endoscope is introduced and advanced all the way to the floor of the nasal cavity ...

The body produces tears when the limbic system, which is responsible for emotional arousal, sends a signal to the lacrimal glands ... can also drain into their nasal passage.

The rectangular-shaped lacrimal bones are approximately the size of a small fingernail. Forming part of the eye socket, they have four borders and two surfaces, nasal and orbital. Viewed face on, the ...