Azar Eye Cohort Study

Cohort facts:

Location of cohort: Khameneh – East Azarbaijan

Main Ethnicities of participants: Turk

Conducted by: Tabriz University of Medical Sciences


  • Mohammad Mirzaie, MD
  • Alireza Ostadrahimi, MD, PhD
  • Elnaz Faramarzi, PhD
  • Asghar Mohammadpoor, PhD

Study Execution:

The PERSIAN Eye Cohort Study started in Khameneh in October 2014, and enrollment ended in February 2018. 

Current Activity: Azar Eye Cohort Study is currently conducting a repeated measurement phase for 30% of the enrolled participants who have been selected randomly.

Principal Investigator: Mohammadhossein Somi, MD

Overview of Cohort Population

Final Enrolled Sample Size
10,116 individuals
Gender Distribution
47% Male
53% Female
Age Distribution

35% ----35-44 years
34%----45-54 years
24%----55-64 years

Residence Type
70% Urban
30% Rural

Contact information