There is a moment in the life of any aspiring astronomer that it is time to buy that first telescope. It’s exciting to think about setting up your own viewing station.
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
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.
Demographic, job, drugs, systemic diseases, familial and genetic factors
Visual impairments, ophthalmic and optometric diseases in lids, cornea, lens, retina and …