Trachoma - Symptoms and causes - Mayo Clinic
网页2020年10月21日 · Trachoma is caused by certain subtypes of Chlamydia trachomatis, a bacterium that can also cause the sexually transmitted infection chlamydia. Trachoma spreads through contact with discharge from the eyes or nose of an infected person. Hands, clothing, towels and insects can all be routes for transmission.
Trachoma - Wikipedia
网页It is characterized by white lumps in the undersurface of the upper eyelid (conjunctival follicles or lymphoid germinal centres) and by nonspecific inflammation and thickening, often associated with papillae. Follicles may also appear at the junction of the cornea and the sclera (limbal follicles).
Trichome - Wikipedia
网页A common type of trichome is a hair. Plant hairs may be unicellular or multicellular, and branched or unbranched. Multicellular hairs may have one or several layers of cells. Branched hairs can be dendritic (tree-like) as in kangaroo paw (Anigozanthos), tufted, or stellate (star-shaped), as in Arabidopsis thaliana.
What Is Trachoma? - American Academy of Ophthalmology
网页2024年2月12日 · It is the world’s leading cause of infectious blindness. A bacterium called Chlamydia trachomatis causes trachoma. According to the World Health Organization (WHO), trachoma has caused the visual impairment of 1.8 million people. Of those people, 450,000 are irreversibly blind.
Trichomoniasis: Symptoms, Causes, and Treatment, - WebMD
网页2024年5月7日 · Trichomoniasis is a common STD that’s easily treatable. Learn more about trichomoniasis causes, symptoms, diagnosis, treatment, and prevention.
Trachoma - EyeWiki
网页Disease. Trachoma is the most common infectious cause of blindness in the world caused by recurrent ocular surface infections and secondary scarring of the ocular surface by the bacterial organism Chlamydia trachomatis. Repeat infection with this organism leads to conjunctival inflammation and scarring, trichiasis, and ultimately blinding ...
Trachoma: An Update on Prevention, Diagnosis, and Treatment
网页Trachoma programs have had remarkable success at reducing chlamydial infection and clinical signs of trachoma. Recent work suggests improved methods to monitor infection and scarring, and better ways to distribute treatment.
Trachoma - Diagnosis and treatment - Mayo Clinic
网页2020年10月21日 · Trachoma is the leading preventable cause of blindness worldwide. Find out about symptoms, treatment and prevention of this serious eye disease.
Trachoma - World Health Organization (WHO)
网页2022年10月5日 · Trachoma is a disease of the eye caused by infection with the bacterium Chlamydia trachomatis. It is a public health problem in 42 countries, and is responsible for the blindness or visual impairment of about 1.9 million people. Blindness from trachoma is irreversible. Based on June 2022 data, 125 million people live in trachoma endemic areas ...
Trachoma - StatPearls - NCBI Bookshelf
网页2024年4月20日 · Trachoma is a debilitating eye disease caused by the Chlamydia trachomatis bacterium and is one of the leading causes of blindness worldwide. [1] [2] If left untreated, this bacterial illness primarily affects the conjunctiva, leading to recurrent cycles of inflammation, roughening, and scarring of the inner surface of the eyelids, as well as ...