Akbar Fotouhi; Hassan Hashemi; Mohammad Shariati; Mohammad Hassan Emamian; Kamran Yazdani; Ebrahim Jafarzadehpur; Hassan Koohian; Mohammad Reza Khademi; Kamran Hodjatjalali; Ahmad Kheirkhah; Reza Chaman; Sarvenaz Malihi; Mehdi Mirzaii; Mehdi Khabazkhoob;
International journal of epidemiology
The Shahroud Eye Cohort Study was set up to determine the prevalence and incidence of visual impairment and major eye conditions in the 40–64-year-old population of Shahroud as a Middle Eastern population. The first phase of the study was conducted in 2009–10. Using random cluster sampling, 6311 Shahroud inhabitants were invited for ophthalmologic examinations; of these, 5190 participants completed phase 1 (participation rate of 82.2%). All participants were interviewed to collect data on participants' ...