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  2. 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.

  3. Nasolacrimal duct - Wikipedia

    en.wikipedia.org/wiki/Nasolacrimal_duct

    Persons with dry eye conditions can be fitted with punctal plugs that seal the ducts to limit the amount of fluid drainage and retain moisture. During an ear infection, excess mucus may drain through the nasolacrimal duct in the opposite way tears drain. [citation needed] In humans, the tear ducts in males tend to be larger than the ones in ...

  4. Oculoplastics - Wikipedia

    en.wikipedia.org/wiki/Oculoplastics

    Canaliculodacryocystostomy is a surgical correction for a congenitally blocked tear duct in which the closed segment is excised and the open end is joined to the lacrimal sac. [8] [10] Canaliculotomy involves slitting of the lacrimal punctum and canaliculus for the relief of epiphora [8] A dacryoadenectomy is the surgical removal of a lacrimal ...

  5. Lacrimal sac - Wikipedia

    en.wikipedia.org/wiki/Lacrimal_sac

    The lacrimal sac or lachrymal sac [1] is the upper dilated end of the nasolacrimal duct, [2] and is lodged in a deep groove formed by the lacrimal bone and frontal process of the maxilla. It connects the lacrimal canaliculi , which drain tears from the eye's surface, and the nasolacrimal duct , which conveys this fluid into the nasal cavity. [ 3 ]

  6. Eye surgery - Wikipedia

    en.wikipedia.org/wiki/Eye_surgery

    Canaliculodacryocystostomy is a surgical correction for a congenitally blocked tear duct in which the closed segment is excised and the open end is joined to the lacrimal sac. [33] [36] Canaliculotomy involves slitting of the lacrimal punctum and canaliculus for the relief of epiphora [33] A dacryoadenectomy is the surgical removal of a ...

  7. Dacryocystocele - Wikipedia

    en.wikipedia.org/wiki/Dacryocystocele

    The purpose of the nasolacrimal ducts is to drain tears from the eye area of the lacrimal sac and eventually through the nasal cavity. Dacryocystocele is caused by blockage on the nasolacrimal duct, as a result when mucoid fluid collects in the intermediate patent section it forms a cystic structure. The cyst is formed by the eye and nose ...

  8. 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.

  9. Lacrimal caruncle - Wikipedia

    en.wikipedia.org/wiki/Lacrimal_caruncle

    The lacrimal caruncle, or caruncula lacrimalis, is the small, pink, globular nodule at the inner corner (the medial canthus) of the eye. [1] It consists of tissue types of neighbouring eye structures.

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