Principal Investigator: Hassan Hashemi

-Professor of Ophthalmology
-Tehran University of Medical Sciences-Noor Ophthalmology Research Center

Cohort Website

Part Cohort

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Shahroud Eye Cohort Study (SHECS)


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Shahroud Eye Cohort Study (SHECS)


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Shahroud Eye Cohort Study (SHECS)


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Shahroud Eye Cohort Study (SHECS)


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Approval date: 2009

Starting date: 2009

Goals: To identify the causes of eye diseases and visual impairments in middle aged peoples.

Study population: 40 to 64 year old peoples in Shahroud city

Sampling method and sample size: Population based multistage cluster sampling 5190

Data Collection:

In a population of about 28000 people aged 40 to 64 in Shahroud city, north of Iran, 6,311 people selected randomly. In the first phase of this project, 82.2% of those invited participate in examinations and eye problems of 5190 people were identified. The 2nd phase of study performed in 2014 and 4737 individuals (91.3%) were participated.

Follow up Methods:

Every five year with annual contact and free optometric examination, Gift, SMS, call contact and contacts at homes.

Main Exposures:

Demographic, job, drugs, systemic diseases, familial and genetic factors

Outcomes:

Visual impairments, ophthalmic and optometric diseases in lids, cornea, lens, retina and …

Last Publications

The reduction of horizontal inequity in unmet refractive error: The Shahroud Eye Cohort Study, 2009–2014


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