prevalence and causes of blindness and low vision in tehran province, 2005

نویسندگان

حمید سوری

h soori تهران- پاسداران- بوستان نهم- بیمارستان لبافی نژاد- مرکز تحقیقات چشم محمدعلی جوادی

ma javadi تهران- پاسداران- بوستان نهم- بیمارستان لبافی نژاد- مرکز تحقیقات چشم نسرین رفعتی

n rafati تهران- پاسداران- بوستان نهم- بیمارستان لبافی نژاد- مرکز تحقیقات چشم زهرا ربانی خواه

z rabbanikhah دانشگاه علوم پزشکی شهید بهشتی علیرضا دلاوری

چکیده

purpose: to determine the prevalence and causes of blindness and low vision in tehran province in 2005. methods: a population-based cross-sectional study was carried out involving all habitants living in tehran province in 2005. the study design was according to the world health organization recommendation methods and also a pilot study preformed among rural and urban areas of karaj. it was a multi-stage cluster sampling method, and sample size was calculated due to the distribution of the total population of tehran derived from the national census and estimated rates of blindness. information was collected using a questionnaire, including the general information and results of the optometrists’ and ophthalmologists’ diagnoses. initial information gathering was performed at the rural and urban health centres. the categorization of blindness and low vision was according to the international classification of diseases version 10 (icd 10). results: overall, 11975 subjects with the average age of 27.8 years participated (response rate 90.4%). the prevalence rate of bilateral blindness was 1.09% (95%ci= 0.90-1.61). there was a positive significant trend with age (p<0.001) and no significant difference by sex and residential area. the prevalence rate of low vision was 4.04% (95% ci= 3.69-4.39). the prevalence rate of bilateral low vision was increasing by age (p<0.001) and was higher among females (or=1.42, 95%ci= 1.16-1.74). however, there was no significant difference by residential area. the leading causes of visual impairment were from cataract (33.9%), amblyopia due to refractive error and so on (22.7%), and vitreo-retinal diseases (12.3%). conclusion: it is estimated that there is about 124165 bilateral blinds and 463431 people with low vision in tehran province. compared to other similar countries, the prevalence rates of blindness and low vision is in average in this community. this study recommends similar studies over the country and reinforces the needs of the expansion of health programs on prevention and control of visual impairments and their causes. furthermore, employing of these findings is necessary for appropriate design of vision 2020 program in iran.

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Prevalence and causes of low vision and blindness in Tehran Province, Iran.

OBJECTIVE To determine the prevalence and causes of blindness and low vision selected population at Tehran province, Iran in 2006. METHODS A population-based cross-sectional study was conducted in the rural and urban population of Tehran province, Iran. The study design was based on the World Health Organization (WHO) criteria and a pilot study. Multi-stage cluster random sampling method was ...

متن کامل

prevalence and causes of blindness and low vision in tehran province: methodology and implementation program

purpose: to describe the methodology and implementation of the investigation for prevalence and causes of visual impairment in tehran province. methods: this population-based cross-sectional study was conducted on all urban and rural residents of tehran province in 2003. a stratified cluster random sampling with probability proportional to size procedure was used. first, best pinhole-corrected ...

متن کامل

prevalence and causes of blindness and low vision in khoozestan province, iran

purpose: to determine the prevalence and causes of blindness and low vision in khoozestan province in 2006. methods: this population-based cross-sectional study included all residents of khoozestan province during 2006. the study was designed according to world health organization recommendations. sample size was calculated based on the distribution of the population of khoozestan according to ...

متن کامل

prevalence and causes of blindness and low vision in yazd province

purpose: to determine the prevalence and causes of blindness and low vision in yazd provice in 2008. methods: a population-based cross-sectional study was performed on inhabitants of in yazd province in 2008. using multistage cluster sampling, sample size was calculated based on the distribution of the total population of yazd province derived from national census and estimated rates of blindne...

متن کامل

Prevalence and Causes of Blindness and Low Vision in Khuzestan Province, Iran

PURPOSE To determine the prevalence and causes of blindness and low vision in Khuzestan province, Iran in 2006. METHODS This population-based cross-sectional study included residents of Khuzestan province during the year 2006. The study was designed according to World Health Organization (WHO) recommendations. Multi-stage proportionate clustered random sampling was employed. Sample size was c...

متن کامل

Prevalence and causes of low vision and blindness in Baotou

The aim of this study was to investigate the prevalence and causes of low vision and blindness in Baotou, Inner Mongolia.A cross-sectional study was carried out. Multistage sampling was used to select samples. The visual acuity was estimated using LogMAR and corrected by pinhole as best-corrected visual acuity.There were 7000 samples selected and 5770 subjects included in this investigation. Th...

متن کامل

منابع من

با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید


عنوان ژورنال:
بینا

جلد ۱۱، شماره ۲، صفحات ۱۵۱-۱۶۳

میزبانی شده توسط پلتفرم ابری doprax.com

copyright © 2015-2023