a small clinical and serological survey to determine the prevalence and severity of trachoma was conducted in 11 iranian villages located in the dezful and kazerun areas. no evidence of severe active disease or severe squeal was found among the 389 individuals examined. seventy-seven per cent of those examined were more than 12 years of age. the prevalence of active trachoma by clinical examina...

purpose: to evaluate four southern provinces of iran for trachoma by rapid assessment of trachoma (rat) during 2004. methods: this descriptive study was performed in rural areas of four probable contaminated provinces in south of iran including bushehre, kerman, hormozgan, and sistan and baluchestan. by multistage sampling, 5328 subjects including 4782 children aged 1-9 years and 546 adults wer...

AIMS To estimate the prevalence of trachoma in preschool children in Sarlahi district, Nepal, and to identify risk factors for the disease. METHODS A stratified random sample of 40 wards was selected for participation in a trachoma survey. Within each ward, a systematic 20% sample of children 24-76 months of age was chosen to determine the presence and severity of trachoma using the World Hea...

In 1998, all member states of the United Nations signed up for the Global Alliance for the Elimination of Blinding Trachoma by 2020 (GET 2020) through World Health Assembly resolution 51.1. This called on member states to complete the mapping of blinding trachoma in the remaining endemic areas and implement the SAFE strategy for trachoma control. Compiled data held by the International Trachoma...

This study aimed to document the prevalence of active trachoma and trichiasis from 1997 to 2003 and from 1987 to 2004, respectively, and to provide an overview of trachoma control activities in Australia in 2004. Prevalence data were obtained from state, territory and regional population health units and unpublished surveys. Information about trachoma control programs and activities currently i...

1Ministry of Health, Muscat, Oman. Received: 15/09/02; accepted: 24/03/03 ABSTRACT A prospective cohort study was made of 386 first-grade primary-school children in Oman with active trachoma and 386 matched controls without trachoma. All children were educated about trachoma prevention. In addition, trachoma cases were treated with a single dose of oral azithromycin (20 mg/kg). Trachoma status ...

What is trachoma? How many people are affected by trachoma? Trachoma is one of the major blinding diseases of the world. It is the most common infectious cause of blindness. Trachoma is caused by a recurrent, chronic eye infection. The organism involved is Chlamydia trachomatis. Episodes of infection usually begin in childhood, while blindness from corneal scarring occurs after repeated infecti...

We investigated the prevalence of clinical trachoma in 154,265 children aged 6 to 16 years in 206 Shanghai migrant schools. Clean water availability in school, each child's facial cleanliness, eyelids, corneas, and the presenting distance visual acuities were examined. Trachoma was clinically diagnosed in accordance with the World Health Organization simplified classification. Eyes diagnosed wi...

Trachoma is the leading infectious cause of blindness worldwide. Despite the fact that trachoma is preventable, 7.2 million people suffer from trichiasis, the potentially blinding stage of trachoma, and 325 million live in areas where trachoma is confirmed or suspected. According to the World Health Organization, 21 million people have trachoma (Weekly Epidemiological Record No. 17, 27 April 20...

Blinding and non-blinding trachoma A year ago we introduced the concept that, from the public health point of view, trachoma should be divided into blinding trachoma and non-blinding trachoma (Jones, I975). This concept has found a ready acceptance (Dawson, Jones, and Darougar, 1975) and has been of value in focusing attention on the urgent need for surveys in many countries to determine the pr...