Epiphora (medicine)

epiphoraexcess tearingExcessive tearingwatering
Epiphora is an overflow of tears onto the face.wikipedia
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Nasolacrimal duct obstruction

narrowing of the tear ductsnasolacrimal ductobstructed tear outflow tract
This can be due to ocular irritation and inflammation (including trichiasis and entropion) or an obstructed tear outflow tract which is divided according to its anatomical location (i.e. ectropion, punctal, canalicular or nasolacrimal duct obstruction).
Obstruction of the nasolacrimal duct leads to the excess overflow of tears called epiphora.

Entropion

in-turnedinward rolling of lower eyelidsinward-folded eyelid
This can be due to ocular irritation and inflammation (including trichiasis and entropion) or an obstructed tear outflow tract which is divided according to its anatomical location (i.e. ectropion, punctal, canalicular or nasolacrimal duct obstruction).
Epiphora

Conjunctivochalasis

The latter is often due to aging (a spontaneous process), conjunctivochalasis, infection (i.e. dacryocystitis), rhinitis, and in neonates or infants, failure of the nasolacrimal duct to open.
Symptoms range from dry eye, epiphora, and irritation, to localized pain, foreign body sensation, subconjunctival hemorrhage, and ulceration.

Tears

lacrimationteartear film
A clinical sign or condition that constitutes insufficient tear film drainage from the eyes in that tears will drain down the face rather than through the nasolacrimal system.
Obstruction of the punctum, nasolacrimal canal, or nasolacrimal duct can cause even normal levels of basal tear to overflow onto the face (epiphora), giving the appearance of constant psychic tearing.

Dacryocystitis

dacrocystitisinfected
The latter is often due to aging (a spontaneous process), conjunctivochalasis, infection (i.e. dacryocystitis), rhinitis, and in neonates or infants, failure of the nasolacrimal duct to open.
It causes pain, redness, and swelling over the inner aspect of the lower eyelid and epiphora.

Punctal plug

lacrimal plugspunctal plugs
A systematic review studying the usage of punctal plugs for treatment of dry eye reported a few cases of epiphora among participants.
Some adverse outcomes from participants included spontaneous plug loss, epiphora, ocular irritation, foreign body sensation, and local inflammatory reaction.

Dry eye syndrome

dry eyekeratoconjunctivitis siccadry eyes
A systematic review studying the usage of punctal plugs for treatment of dry eye reported a few cases of epiphora among participants.
Punctual plugs are thought to be "relatively safe", however their use may result in epiphora (watery eyes), and more rarely, serious infection and swelling of the tear sac where the tears drain.

Human eye

eyeeyeseyeball
A clinical sign or condition that constitutes insufficient tear film drainage from the eyes in that tears will drain down the face rather than through the nasolacrimal system.

Trichiasis

in-growingingrown eyelashes
This can be due to ocular irritation and inflammation (including trichiasis and entropion) or an obstructed tear outflow tract which is divided according to its anatomical location (i.e. ectropion, punctal, canalicular or nasolacrimal duct obstruction).

Rhinitis

coryzaseasonal allergic rhinitisrhinitis, allergic, perennial
The latter is often due to aging (a spontaneous process), conjunctivochalasis, infection (i.e. dacryocystitis), rhinitis, and in neonates or infants, failure of the nasolacrimal duct to open.

Le Fort fracture of skull

Le Fort fracturesdepressed fracturefractures of the face
Cause of trauma could be facial fractures (including nasoethmoid fractures or maxillary Le Fort fractures), and soft tissue trauma involving the nose and/or the eyelid.

Fluorescein

fluorescein-5-isothiocyanateFITCfluorescein dye
Fluorescein dye can be used to examine for punctal reflux by pressing on the canaliculi in which the clinician should note resistance of reflux as it irrigates through the punctum into the nose.

Dacryocystorhinostomy

dacryocystorhinotomyDCR
A surgical procedure called a dacryocystorhinostomy is done to join the lacrimal sac to the nasal mucosa in order to restore lacrimal drainage.

Ophthalmology

ophthalmologistophthalmicoculist
Excessive tearing (tear duct obstruction)

Conjunctivitis

pink eyepinkeyeblepharoconjunctivitis
Red eye, swelling of the conjunctiva, and watering of the eyes are symptoms common to all forms of conjunctivitis.

Epiphora

Epiphora (medicine), an excessive tear production usually a result from an irritation of the eye

Primary juvenile glaucoma

congenital glaucomainfantile glaucomapediatric glaucoma
The commonly described triad of epiphora (excessive tearing), blepharospasm and photophobia may be missed until the corneal edema becomes apparent.

Thelaziasis

In animal and human hosts, infestation by Thelazia may be asymptomatic, though it frequently causes watery eyes (epiphora), conjunctivitis, corneal opacity, or corneal ulcers (ulcerative keratitis).

Influenza A virus subtype H3N8

H3N8equine influenza A/H3N8influenza a virus, h3n8 subtype
clinical findings may include a serous or light mucoid nasal discharge, epiphora, tender but rarely swollen submandibular lymph nodes, hyperemia of nasal and conjunctival mucosa, tachypnea, tachycardia, limb edema, muscle soreness and stiffness.

Feline viral rhinotracheitis

feline herpesvirusfeline herpesvirus 1rhinotracheitis
Infection of the nasolacrimal duct can result in chronic epiphora (excess tearing).

Persian cat

PersianPersiansChinchilla Persian
Malformed tear ducts causes epiphora, an overflow of tears onto the face, which is common but primarily cosmetic.

Oculoplastics

oculoplasticoculoplastic surgeryophthalmic plastic and orbital surgery
Canaliculotomy involves slitting of the lacrimal punctum and canaliculus for the relief of epiphora