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The Association of Socioeconomic Status with the Burden of Cataract-related blindness and the Effect of Ultraviolet Radiation Exposure: An Ecological Study

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Biomedical and Environmental Sciences 2021年第2期34卷 101-109页

作者： DENG Yan YANG Dan YU Jia Ming XU Jing Xian HUA Hui CHEN Ren Tong WANG Nan OU Feng Rong LIU Ru Xi WU Bo LIU Yang Department of Environmental Health School of Public HealthChina Medical UniversityShenyang 110122LiaoningChina Department of Ophthalmology the Fourth Affiliated HospitalChina Medical UniversityShenyang 110032LiaoningChina Academic Affairs Office China Medical UniversityShenyang 110122LiaoningChina Department of Immunology and Rheumatology First HospitalChina Medical UniversityShenyang 110001LiaoningChina Department of Anal and Rectal Diseases First HospitalChina Medical UniversityShenyang 110001LiaoningChina

Objective To assess the association of socioeconomic status with the burden of cataract blindness in terms of year lived with disability(YLD) rates and to determine whether ultraviolet radiation(UVR) levels modify the effect of socioeconomic status on this health *** National and subnational age-standardized YLD rates associated with cataract-related blindness were derived from the Global Burden of Disease(GBD) study 2017. The human development index(HDI) from the Human Development Report was used as a measure of socioeconomic *** ground-level UVR exposure was obtained from the Ozone Monitoring Instrument(OMI)dataset of the National Aeronautics and Space Administration(NASA).Results Across 185 countries, socioeconomic status was inversely associated with the burden of cataract blindness. Countries with a very high HDI had an 84% lower age-standardized YLD rate [95%confidence interval(CI): 60%–93%, P blindness burden(P value for interaction = 0.047).Conclusion Long-term high-UVR exposure amplifies the association of poor socioeconomic status with the burden of cataract-related blindness. The findings emphasize the need for strengthening UVR exposure protection interventions in developing countries with high-UVR exposure.

关键词： Cataract blindness Socioeconomic status Ultraviolet rays Global burden of disease

A survey of blindness and poor vision in leprosy patients

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Chinese Medical Journal 2003年第5期116卷 682-684页

作者：严良斌张国成郑志菊李文忠叶干运 Dermatology Chinese Academy of Medical Sciences and Peking Union Medical College Nanjing 210042 China

Objective To determine the prevalence, cause and distributions of blindness and poor vision in patients with *** An epidemiological survey of blindness and poor vision among 1045 cases of leprosy was carried out in Taixing City of Jiangsu Province, *** The prevalence of bilateral blindness was 7.67%, unilateral blindness 4.4%, bilateral poor vision of various degrees 9.28% and unilateral poor vision 5.84%. The prevalence of eye complications varied significantly among different groups of patients; females had a higher prevalence than males, multibacillary patients higher than paucibacillary patients, and in-patients higher than out-patients. Corneal disease was the most common cause of blindness in study groups, followed by iritic disease and cataract; while the main cause of poor vision was cataract, then corneal and iritic diseases. Treatable blindness accounted for 62.7% of the cases and treatable poor vision for 88.6% of the patients studied. 56.62% of cases with eye complications expressed their willingness to be *** Although prevention and treatment of low vision and blindness in leprosy patients is very hard, it is necessary for doctors and medical workers to make clear of the factors to cause low vision and blindness, especially those in leprosy patients so that some measures for prevention and treatment of the disease could be taken accordingly.

关键词： leprosy blindness vision disorder

Population-based survey of prevalence,causes,and risk factors for blindness and visual impairment in an aging Chinese metropolitan population

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International Journal of Ophthalmology(English edition) 2017年第1期10卷 140-147页

作者： Jian-Yan Hu Liang Yan Yong-Dong Chen Xin-Hua Du Ting-Ting Li De-An Liu Dong-Hong Xu Yi-Min Huang Qiang Wu Shanghai Jiao Tong University Affiliated Sixth People's Hospital Shanghai 200233China Community Health Center Xietu StreetXuhui DistrictShanghai 200233China

AIM： To assess the prevalence, causes, and risk factors for blindness and visual impairment among elderly （〉60 years of age） Chinese people in a metropolitan area of Shanghai, China. METHODS： Random cluster sampling was conducted to identify participants among residents ≥60 years of age living in the Xietu Block, Xuhui District, Shanghai, China. Presenting visual acuity （PVA） and best-corrected visual acuity （BCVA） were checked by the Early Treatment Diabetic Retinopathy Study （ETDRS） visual chart. All eligible participants underwent a comprehensive eye examination. blindness and visual impairment were defined according to World Health Organization （WHO） criteria. RESULTS： A total of 4190 persons （1688 men and 2502 women） participated in the study, and the response rate was 91.1%. Based on PVA, the prevalence of blindness was 1.1% and that of visual impairment was 7.6%. Based on BCVA, the prevalence of blindness and visual impairment decreased to 0.9% and 3.9%, respectively. Older （〉80 years of age） women, with low educational levels and smoking habits, exhibited a significantly greater chance for blindness and visual impairment than did those with high educational levels and no smoking habits （P〈0.05）. Based on PVA and BCVA, the main causes of blindness were cataract, myopic maculopathy, and age-related macular degeneration （AMD）. CONCLUSION： Our findings help to identify the population in need of intervention, to highlight the need for additional eye healthcare services in urban China.

关键词： blindness visual impairment prevalence riskfactor cross-sectional study

Prevalence and associated factors of corneal blindness in Ningxia in northwest China

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International Journal of Ophthalmology(English edition) 2014年第3期7卷 557-562页

作者： Xun-Lun Sheng Hui-Ping Li Qing-Xia Liu Wei-Ning Rong Wen-Zhang Du Li Ma Guang-Hui Yan Run-Qing Ma Jian-Ling Zhang Hui-Fang Xu Wen-Qing Zou Xiao-Jun Bi Ningxia Eye Hospital Ningxia People's Hospital Department of Ophthalmology Tongxin Hospital Ningxia Hui Autonomous Region China Department of Ophthalmology Ningxia Medical University

AIM:To describe the prevalence and demographic characteristics of corneal blindness in an urban and rural region of Ningxia,located in the northwest part of ***:A stratified,randomized sampling procedure was employed in the study,including urban and rural area of all age *** acuity,anterior segment and ocular fundus were *** factor of corneal disease,including age,gender,education status,ethnic group,location and occupation,were identified according to uniform customized *** eye was defined to be corneal blindness if the visual acuity wasblindness was 0.023%in both eyes and 0.733%in at least one *** blindness in at least one eye with varied causes was present in 106participants(3.533%)and in bilateral eyes in 34participants(1.133%).The corneal diseases accounted for 20.754%of blindness in at least one eye and 20.588%of bilateral *** prevalence of corneal disease was higher in older and Han ethnic group,especially those who occupied in agriculture and outdoor *** with corneal blindness were more likely to be older and lower *** population were more likely to suffer from bilateral corneal blindness than the urban population in≥59-year group(χ2=6.716,P=0.019).Infectious,trauma and immune corneal disease were the three leading causes of corneal *** cornealdisease was more likely leading to blindness in one ***,infectious and immune corneal diseases make more contribution to the bilateral corneal ***:Corneal blindness is a significant burden of in Ningxia population,encompassing a variety of corneal infections and trauma;the majority of those were *** promotion strategies and good hygienic conditions have to be developed.

关键词： corneal disease epidemiology blindness infectious keratitis trauma

Role of Mediterranean diet, tropical vegetables rich in antioxidants, and sunlight exposure in blindness, cataract and glaucoma among African type 2 diabetics

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International Journal of Ophthalmology(English edition) 2012年第2期5卷 231-237页

作者： Mvitu Muaka Mose Longo-Mbenza Benjamin Tulomba Mona Doris Kibokela Ndembe Dalida Nge Okwe Augustin University of Kinshasa Department of Ophthalmology Walter Sisulu University Faculty of Health Sciences South Africa Biostatistics Unit Lomo Medical Center and Heart of Africa Center of Cardiology Kinshasa DR Congo

AIM: To assess whether regular Mediterranean diet and regular intake of vegetables may reduce the risk of blindness, cataract, and glaucoma in these type 2 diabetics. · METHODS: A cross-sectional design was carried out among known black diabetics admitted at the diabetic clinics of Kinshasa, between October 2008 and March 2009. The Mediterranean-style dietary score (MSDPS) was used to characterize a Mediterranean-style dietary pattern in the study population using the Harvard semi quantitative FFQ adapted for Africa. · RESULTS: Five hundred Type 2 diabetic patients were included in this study (48% of males; 40% aged ≥60 years). There was a significant association between blindness, cataract and aging; between blindness (P blindness (Pblindness (P blindness, glaucoma, and male sex. Regular intake of Mediterranean diet, Brassica Rapa, beans, Abelmoschus, Musa acuminata reduced significantly the risk of blindness, cataract and glaucoma. · CONCLUSION: Regular intake of Mediterranean diet, Brassica Rapa, beans, Abelmoschus, and Musa acuminata may significantly reduce the risk of blindness or its major causes among type 2 diabetes mellitus in Africa.

关键词： type 2 diabetes mellitus Mediterranean diet blindness cataract Africa

Unrecognized and unregistered blindness in people 70 or older in Jing'an district, Shanghai, China

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International Journal of Ophthalmology(English edition) 2013年第3期6卷 321-326页

作者： Liang-Cheng Wu Xing-Huai Sun Xing-Tao Zhou Cheng-Hai Wen Department of Ophthalmology Jing'an District Centre Hospital of Shanghai Eye Diseases Prevention and Treatment Institute of Jing'an District Department of Ophthalmology and Vision Science Eye and ENT Hospital Shanghai Medical College Fudan University State Key Laboratory of Medical Neurobiology Institutes of Brain Science Fudan University

AIM: To evaluate the efficacy of a registration system for the blind people and to monitor the blindness due to uncorrected refractive error and cataract in Jing’an district, Shanghai, China. ·METHODS: Five hundred and ten blind people, based on visual acuity screening in a population aged 70 or older were enrolled into the study. Four hundred and forty subjects were interviewed. The following data were collected on each patient: demographic data, number of hospital visits for eye related problems, distance visual acuity, visual fields, ophthalmic diagnoses, education and registration status. If the eligible subject was not registered as blind, the reason for non -registration was recorded. ·RESULTS: Ten point nine one percent blindness was due to cataract, 27.5% due to uncorrected refractive error, and only 61.59% met the eligible blindness criteria (uncorrected refractive error and cataract are not considered as eligible blindness). The first four leading causes of eligible blindness were age related macular degeneration (25.09% ), myopic macular degeneration (21.40%), glaucoma (18.82%) and corneal disease (8.12%). Only 68.27% eligible blind people were registered. The patients with macular degeneration and glaucoma tendednot to register. Blind people with an above primary school education were 2.59 times more likely to be registered than those who were illiterate or had only a primary school education (OR=2.59, 95%CI: 1.49-4.48, P <0.01). Patients who had 4 or more visits to the hospital requesting eye care services in a year were 2.2 times more likely to be registered than those with less than 4 visits to the hospital (OR =2.54, 95% CI: 1.47 -4.38, P < 0.001). The first two leading reasons of misregistration were unknowing the registration system (48% ) and unwilling to register (21%). ·CONCLUSION: Under-registration of the eligible blind people exists in the registry system. Education and the number of hospital visits for eye care services were factors as

关键词： blindness unrecognized causes

Mayombian ethnic,vegetables low intake,insulin treatment,diabetic nephropathy and severe diabetic retinopathy are determinants of blindness in diabetic Africans

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International Journal of Ophthalmology(English edition) 2013年第5期6卷 727-732页

作者： Mvitu Muaka Moise Longo-Mbenza Benjamin Cibanda Yokobo Enoch Longo Phemba Igor Department of Ophthalmology Faculty of MedicineUniversity of Kinshasa Walter Sisulu University Faculty of Health Sciences Department of Anaesthesiology Nelson Mandela Academic Hospital School of International Studies Wenzhou Medical College

AIMTo determine the frequency and causes of blindness in diabetic Africans.

关键词： diabetes mellitus blindness ethnicity Mayombe diabetic retinopathy insulin treatment Africans

Cataract blindness in Hungary

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International Journal of Ophthalmology(English edition) 2020年第3期13卷 438-444页

作者： Gábor L.Sándor Gábor Tóth Dorottya Szabó Irén Szalai Regina Lukács Anita Pék Georgina Z.Tóth András Papp Zoltán Z.Nagy Hans Limburg János Németh Department of Ophthalmology Semmelweis UniversityBudapest 1085Hungary Department of Ophthalmology Flór Ferenc HospitalKistarcsa 2143Hungary Department of Ophthalmology Petz Aladár HospitalGyor 9024Hungary Faculty of Health Sciences Semmelweis UniversityBudapest 1088Hungary Health Information Services Grootebroek 1613The Netherlands

AIM:To estimate the prevalence of blindness and visual impairment resulting from cataract in the population aged≥50 y in Hungary,and to assess the cataract surgical ***:A rapid assessment of avoidable blindness(RAAB)was conducted.A total of 3523 eligible people were randomly selected and *** participant underwent surgery for cataract was interviewed with regard to the year,place,and costs of the *** with obvious cataract were asked why they had not yet undergone surgery(barriers to surgery).RESULTS:An estimated 12514 people were bilaterally blind;the visual acuity(VA)in 19293 people was<6/60,and the VA in 73962 people was<6/18 in the better eye due to *** estimated 77933 eyes are blind;98067 eyes had a VA of<6/60,and an estimated 277493 eyes had a VA of<6/18 due to *** all cataract surgeries were conducted in government *** age-and sexadjusted cataract surgical coverage with VA<3/60 in eyes was 90.0%.The rate of good visual outcome after surgery was 79.5%.Ocular comorbidity was the main cause of poor outcome(78.1%),followed by late complications(such as posterior capsule opacification)(17.2%),inadequate optical correction(3.1%),and surgical complications(1.6%).The main barrier to surgery in people with bilateral cataract and VA of<6/60 was‘need not felt’.CONCLUSION:The prevalence of visual impairment resulting from cataract is slightly higher than *** quality of the cataract surgical service seems adequate in ***,the number of cataract operations per year should continue to increase due to the increasing patient demands and the aging population.

关键词： cataract prevalence blindness visual impairment rapid assessment of avoidable blindness

Eye health is everyone's responsibility: China's first Western-style eye hospital improves in the prevention of blindness

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International Journal of Ophthalmology(English edition) 2012年第5期5卷 638-640页

作者： Hao-Tian Lin, Li-Xia Luo, Wei-Rong Chen, Yi-Zhi Liu State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, Guangdong Province, China The first three authors contributed equally to this work. State Key Laboratory of Ophthalmology Zhongshan Ophthalmic Center Sun Yat-sen University Guangzhou 510060 Guangdong Province China

AIM: To investigate the relationship between China's first Western-style eye hospital development and the prevention of blindness in China and determine the main factor influencing eye health today. METHODS: Data about eye health, blindness and cataract surgery rate of China from public website of World Health Organization (WHO), ORBIS International, Ministry of Health (MOH) of China, Pubmed center and Historical Archives of Zhongshan Ophthalmic Center (ZOC) were reviewed and analyzed. RESULTS: ZOC is China's first Western-style eye hospital. In 2012, the ORBIS Flying Eye Hospital has chosen ZOC once again as one of its destinations, 30 years after ORBIS expanded internationally to train eye care professionals and treat underserved patients in developing countries in 1982. During the past 30 years, cataract surgery rate and public awareness of blindness prevention were improved greatly in China, in which ZOC plays a very important role. CONCLUSION: ZOC, as China's first Western-style eye hospital,has improved in the prevention of blindness. Eye health has become everyone’s responsibility.

关键词： eye health blindness cataract surgery rate