They help keep eyes moist by preventing fluid, such as tears, from leaving the eyes. This can include both your natural tears and artificial tears. Punctal plugs are also called tear duct plugs or ...

Elbow bursitis (EB), or olecranon bursitis, can cause a painless buildup of fluid on the elbow. It occurs due to inflammation of the olecranon bursa, the small fluid-filled sac on the tip of the ...

Doctors analyze cerebrospinal fluid (CSF) to help identify conditions that affect your brain and spine. CSF samples are typically collected through a lumbar (spinal) tap. CSF is the clear fluid ...

Fluid dynamics is the study of the motion of liquids, gases and plasmas. Flow is dependent on the intrinsic properties of the matter itself, such as compressibility, viscosity and density. Example ...

The term functional nasolacrimal duct obstruction (FNLDO; watering with patent drainage) is misleading as it implies occluded drainage and solely nasolacrimal duct pathology. 'Normal' tear ...

This happens even when not crying. The eye is not red and the eyelid is not swollen. Both sides are blocked in 30% of these children. Caused by blockage of the lacrimal duct. This duct carries ...

Advances in high-resolution imaging and dyna CT have refined our understanding of SDH formation and vascular anatomy, particularly in identifying smaller vessels like the accessory meningeal artery ...