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  2. Punctal plug - Wikipedia

    en.wikipedia.org/wiki/Punctal_plug

    A punctal plug, also known as tear duct plug or lacrimal plug, is a small medical device that is inserted into the tear duct (puncta) of an eye to block the duct. This prevents the drainage of liquid from the eye. They are used to treat dry eye. Artificial tears are usually still required after punctal plug insertion. [1]

  3. Lacrimal punctum - Wikipedia

    en.wikipedia.org/wiki/Lacrimal_punctum

    The lacrimal punctum (pl.: puncta) or lacrimal point is a minute opening on the summits of the lacrimal papillae, seen on the margins of the eyelids at the lateral extremity of the lacrimal lake. There are two lacrimal puncta in the medial (inside) portion of each eyelid. Normally, the puncta dip into the lacrimal lake.

  4. Punctum - Wikipedia

    en.wikipedia.org/wiki/Punctum

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

  5. Punctate epithelial erosions - Wikipedia

    en.wikipedia.org/wiki/Punctate_epithelial_erosions

    Due to the different underlying causes, proper diagnosis, treatment, and prognosis can only be determined by an eye care professional. Punctate epithelial erosions may be treated with artificial tears.

  6. Nasolacrimal duct obstruction - Wikipedia

    en.wikipedia.org/wiki/Nasolacrimal_duct_obstruction

    Involutional stenosis is probably the most common cause of nasolacrimal duct obstruction in older people. It affects women twice as frequently as men. Although the inciting event in this process is unknown, clinicopathologic study suggests that compression of the lumen of the nasolacrimal duct is caused by inflammatory infiltrates and edema.

  7. Lacrimal canaliculi - Wikipedia

    en.wikipedia.org/wiki/Lacrimal_canaliculi

    The lacrimal canaliculi (sg.: canaliculus) are the small channels in each eyelid that drain lacrimal fluid, from the lacrimal puncta to the lacrimal sac.This forms part of the lacrimal apparatus that drains lacrimal fluid from the surface of the eye to the nasal cavity.

  8. Puncta pruritica - Wikipedia

    en.wikipedia.org/wiki/Puncta_pruritica

    Puncta pruritica (also known as "Itchy points") consists of one or two itchy spots in clinically normal skin, sometimes followed by the appearance of seborrheic keratoses at exactly the same site. [ 1 ]

  9. Punctoplasty - Wikipedia

    en.wikipedia.org/wiki/Punctoplasty

    Punctoplasty is a surgical procedure to restore proper drainage of tears [1] when the lacrimal punctum (puncta lacrimalia) becomes blocked in one or both eyes.. If a blockage is present in the puncta, doctors may suggest a procedure called punctoplasty, performed to widen the drain opening.