trichiasis


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trichiasis

 [trĭ-ki´ah-sis]
1. a condition of ingrowing hairs about an orifice.
2. inversion of the eyelashes, characterized by excessive tearing and the sensation of a foreign body in the eye.
3. the appearance of hairlike filaments in the urine.

tri·chi·a·sis

(tri-kī'ă-sis),
A condition in which the hair adjacent to a natural orifice turns inward and causes irritation; for example, in inversion of an eyelid (entropion), eyelashes irritate the eye.
Synonym(s): trichoma, trichomatosis
[trich- + G. -iasis, condition]

trichiasis

/tri·chi·a·sis/ (trĭ-ki´ah-sis)
1. a condition of ingrowing hairs about an orifice, or ingrowing eyelashes.
2. appearance of hairlike filaments in the urine.

trichiasis

(trĭ-kī′ə-sĭs)
n.
A condition of ingrowing hairs about an orifice, especially ingrowing eyelashes.

trichiasis

[trikī′əsis]
Etymology: Gk, thrix, hair, osis, condition
an abnormal inversion of the eyelashes that irritates the eyeball. It usually follows infection or inflammation. Compare ectropion.
enlarge picture
Trichiasis in late trachoma

tri·chi·a·sis

(tri-kī'ă-sis)
A condition in which the hair adjacent to a natural orifice turns inward and causes irritation; in inversion of an eyelid (entropion), eyelash irritation of the eye.
[trich- + G. -iasis, condition]

trichiasis

Inturning or ingrowing of the eyelashes so that they rub against the CORNEA of the eye causing severe discomfort and possible abrasion, infection and ulceration. Trichiasis is a feature of TRACHOMA. Removal of lashes affords relief but definitive treatment involves plastic procedures to evert the lid margins. See also ENTROPION.

Trichiasis

A disease of the eye, in which the eyelashes, being turned in upon the eyeball, produce constant irritation by the motion of the lids.

trichiasis 

A condition in which the eyelashes due to entropion, blepharitis or injury, are directed towards the globe and cause irritation of the cornea and conjunctiva. Temporary relief may be achieved with epilation but permanent treatment consists of cryotherapy or laser ablation or in severe cases surgical excision and replacement with a mucous membrane (Fig. T19). See distichiasis; epilation; therapeutic soft contact lens.
Fig. T19 Trichiasisenlarge picture
Fig. T19 Trichiasis

trichiasis

1. a condition of ingrowing hairs about an orifice, or ingrowing eyelashes.
2. the appearance of hairlike filaments in the urine.
Enlarge picture
Trichiasis. By permission from Slatter D, Textbook of Small Animal Surgery, Saunders, 2002

caruncular trichiasis (1)
hairs growing from the lacrimal caruncle, particularly in brachycephalic dogs. Called also aberrant dermis.
References in periodicals archive ?
Cross-sectional surveys of the prevalence of follicular trachoma and trichiasis in The Gambia: has elimination been reached?
Impact of Trichiasis Surgery on Quality of Life: A Longitudinal Study in Ethiopia.
These include scarring of the tarsal conjunctiva that leads to distortion of the eyelid and trichiasis leading to corneal opacification and blindness.
Dr Manal Omran Taryam, Board Member and CEO of Noor Dubai Foundation, said : "Children bear the highest burden of trachoma infections and women are almost twice as likely as men to develop its advanced stage, trichiasis, due to their role as the traditional caregivers for children who may unknowingly pass their infection on to their mothers.
Impact of oral azithromycin on recurrence of trachomatous trichiasis in Nepal over 1 year.
In the advanced stage of the disease, called trichiasis, a persons eyelashes turn inward, scraping the cornea with every excruciating blink, causing scarring, diminished vision, and, eventually blindness, a private TV channel reported.
The senior health official added that in the past, especially during dry seasons, the state suffers from spread of a non-fatal but highly repugnant eye ailment called trachoma trichiasis.
Sightsavers International is offering charity gifts from pounds 5 for a trichiasis operation to a pounds 1,000 donation which can go towards any charitable work where the need is greatest.
Additionally, nurses from district-level health centers will be trained to provide primary eye care and perform trichiasis surgery.
Eye surgery for trichiasis, abscesses, growths and small tumours of the eyelids were performed and, during the 1st century AD, successful couching operations for eye cataracts were described.
Louis, published a paper describing his use of a "fine, gilt needle" charged with electricity in treating the so-called "wild hairs" on eyelids, a condition also known as trichiasis.
trachomatis in children's conjunctivas requires a different approach because in the early 1980s trachoma was reported in the state's Chaonil community in 24% of 475 children examined and in 8% of the trachomatous population with trichiasis (no data regarding chlamydial infections were produced) (11, 12, 33).