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Related Experiment Video

Updated: May 24, 2026

A Human Fallopian Tube Model for Investigation of C. trachomatis Infections

A Human Fallopian Tube Model for Investigation of C. trachomatis Infections

Published on: August 11, 2012

Environmental sanitary interventions for preventing active trachoma.

Mansur Rabiu¹, Mahmoud B Alhassan, Henry O D Ejere

¹Prevention of Blindness Union, Riyadh, Saudi Arabia. mrabiu@hotmail.com.

The Cochrane Database of Systematic Reviews

|February 17, 2012

Summary

Environmental sanitation measures show mixed results for trachoma control. Insecticides may reduce trachoma, but evidence is inconsistent. More research is needed to confirm the effectiveness of hygiene interventions for this leading cause of preventable blindness.

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Published on: March 14, 2014

Area of Science:

Ophthalmology
Public Health
Infectious Diseases

Background:

Trachoma is a significant cause of preventable blindness, affecting millions globally, particularly in developing nations.
Environmental sanitation is a key strategy for controlling trachoma in endemic communities.

Purpose of the Study:

To evaluate the effectiveness of environmental hygiene measures in reducing active trachoma prevalence in endemic areas.

Main Methods:

Systematic review of randomized and quasi-randomized controlled trials.
Searched multiple databases (CENTRAL, MEDLINE, EMBASE, LILACS, mRCT, ClinicalTrials.gov) up to September 2011.
Included trials assessing fly control, water provision, and health education.

Main Results:

Two trials indicated insecticide use reduced trachoma by 55-61%, but one study found no effect.
Latrine provision showed a 29.5% reduction in one study, but results were not statistically significant or confirmed.
Health education showed promise in one study but not in another combined with water supply interventions.

Conclusions:

Limited evidence suggests insecticides may reduce trachoma, but findings are inconsistent across studies.
Latrine provision and health education interventions have not consistently demonstrated significant trachoma reduction.
A significant lack of data exists to definitively establish the effectiveness of various environmental sanitation strategies for trachoma control.