Shahroud University of Medical Sciences, Tehran University of Medical Sciences, Noor Ophthalmology Research Center Ophthalmic Epidemiology Research Center
Principal Investigator: Hassan Hashemi
Professor of Ophthalmology Tehran University of Medical Sciences Noor Ophthalmology research Center
Approval date
2015
Starting date
2015
Goals
To determine the causes of eye diseases and visual impairments in school children.
Study population
Primary school children in Shahroud district
Sampling method and sample size
Population based stratified cluster sampling 5620
Data Collection
In a population of about 13000 primary school children in Shahroud, north of Iran, 6624 children were selected randomly. In the first phase of this project, 84.8% of those invited participate in examinations and visual impairments of 5620 people were identified
Follow up Methods
Five every two year follow up is scheduled with free optometric examination, Gift, SMS, call contact and contacts at homes between follow up
Main Exposures
Demographic, systemic diseases, familial and behavioral factors
Outcomes
Visual impairments, optometric diseases and mouth and teeth health