Document Detail

High prevalence of refractive errors in a rural population: "Nooravaran Salamat" Mobile Eye Clinic experience.
MedLine Citation:
PMID:  23331326     Owner:  NLM     Status:  Publisher    
BACKGROUND: The prevalence of myopia and hyperopia and determinants were determined in a rural population of Iran DESIGN: Population based cross sectional study. PARTICIPANTS: Using random cluster sampling, 13 of the 83 villages of Khaf County in the north east of Iran were selected. Data from 2001 people over the age of 15 years were analysed; METHODS: All examinations were done at the Mobile Eye Clinic. Participants received visual acuity measurement, non-cycloplegic refraction and eye examinations. MAIN OUTCOME MEASURES: The prevalence of myopia and hyperopia based on Spherical equivalent (SE) worse than -0.5 diopter (D) and +0.5D, respectively. RESULTS: The prevalence of myopia, hyperopia, and anisometropia in the total study sample was 28% (95% Confidence Interval [CI] 25.9-30.2), 19.2% (95% CI: 17.3-21.1), and 11.5% (95% CI: 10.0-13.1), respectively. In the over 40 population, the prevalence of myopia and hyperopia was 32.5% (95% CI: 28.9-36.1) and 27.9% (95% CI: 24.5-31.3), respectively. In the multiple regression model for the over 40 year olds, myopia strongly correlated with cataract (Odds Ratio [OR]=1.98 and 95% CI 1.33-2.93) and hyperopia only correlated with age (p<0.001). The prevalence of high myopia and high hyperopia was 1.5% and 4.6%. In the multiple regression model, anisometropia significantly correlated with age (OR=1.04) and cataract (OR=5.2) (p<0.001). CONCLUSION: The prevalence of myopia and anisometropia was higher than that in previous studies in urban population of Iran, especially in the elderly. Cataract was the only variable that correlated with myopia and anisometropia.
Hassan Hashemi; Farhad Rezvan; Hadi Ostadimoghaddam; Majid Abdollahi; Maryam Hashemi; Mehdi Khabazkhoob
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-21
Journal Detail:
Title:  Clinical & experimental ophthalmology     Volume:  -     ISSN:  1442-9071     ISO Abbreviation:  Clin. Experiment. Ophthalmol.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100896531     Medline TA:  Clin Experiment Ophthalmol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2013 The Authors. Clinical and Experimental Ophthalmology © 2013 Royal Australian and New Zealand College of Ophthalmologists.
Noor Ophthalmology Research Center, Noor Eye Hospital, Tehran, Iran.
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