Uncorrected refractive errors and spectacle utilisation rate in Tehran: the unmet need
نویسندگان
چکیده
منابع مشابه
uncorrected refractive errors and spectacle use rate in school children in mashhad, 2006
purpose: to determine the prevalence of refractive errors and rate of need for spectacles in students of region one in mashhad, 2006. methods: by randomized cluster sampling, 2510 students were selected and underwent eye exami-nations including refraction (cycloplegic, manifest), visual acuity, cover test and determination of the spectacle prescription as well as best corrected visual acuity. e...
متن کاملuncorrected refractive errors and glass coverage in tehran
purpose: to determine the prevalence of uncorrected refractive errors and its determinants in tehran in 2002. methods: a total of 6497 citizens representing a cross-section of the population of tehran were sampled using a stratified random cluster sampling strategy. of these, 4565 (70.3%) subjects participated in the study and were transferred to a clinic for an extensive eye examination and in...
متن کاملThe prevalence of uncorrected refractive errors in underserved rural areas
Purpose To determine the prevalence of uncorrected refractive errors, need for spectacles, and the determinants of unmet need in underserved rural areas of Iran. Methods In a cross-sectional study, multistage cluster sampling was done in 2 underserved rural areas of Iran. Then, all subjects underwent vision testing and ophthalmic examinations including the measurement of uncorrected visual ac...
متن کاملInfluence of uncorrected refractive error and unmet refractive error on visual impairment in a Brazilian population
BACKGROUND The World Health Organization (WHO) definitions of blindness and visual impairment are widely based on best-corrected visual acuity excluding uncorrected refractive errors (URE) as a visual impairment cause. Recently, URE was included as a cause of visual impairment, thus emphasizing the burden of visual impairment due to refractive error (RE) worldwide is substantially higher. The p...
متن کاملChanges in Refractive Errors Related to Spectacle Correction of Hyperopia
BACKGROUND Hyperopic undercorrection is a common clinical practice. However, less is known of its effect on the change in refractive errors and emmetropization throughout the later years of childhood. OBJECTIVES To evaluate the effect of spectacle correction on the change in refractive errors in hyperopic children less than 12 years of age with or without strabismus. DATA EXTRACTION A retro...
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ژورنال
عنوان ژورنال: British Journal of Ophthalmology
سال: 2006
ISSN: 0007-1161
DOI: 10.1136/bjo.2005.088344