Nov 1, 2022 · Each punctum acts as a port for draining excess tears. They are the openings for the canaliculi (pronounced “can-uh-lick-you-lie”), two tubes that form a c-shape and connect to the …

The meaning of PUNCTUM is a small area marked off from a surrounding surface. How to use punctum in a sentence.

Jul 25, 2025 · The punctum of the eye is a small opening located on the inner edge of both your upper and lower eyelids, close to the nose. You might notice it as a tiny, slightly elevated spot on the …

Punctum, plural puncta, adjective punctate, is an anatomical term for a sharp point or tip. It may also refer to:

Factsheet What does the noun punctum mean? There are eight meanings listed in OED's entry for the noun punctum, three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and …

Catheter was introduced by the superior lacrimal punctum, under general anesthesia.

Punctal stenosis is clinically defined as a punctum caliber restricting tear drainage in the absence of distal tear drainage abnormalities, namely canalicular obstruction or nasolacrimal duct obstruction.

The punctum can also be permanently closed with a heat or laser procedure. Punctal plugs can be temporary or permanent. Temporary plugs dissolve a few days after insertion. If your dry eye …

Dec 26, 2025 · Noun punctum (plural punctums or puncta) (photography) A detail in a photograph that captures the viewer's attention and evokes an emotional response or personal connection beyond …

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