نتایج جستجو برای: myopia

تعداد نتایج: 8831  

2015
Chen Qiu Shaohong Qian Xinghuai Sun Chuandi Zhou Fanrong Meng Demetrios Vavvas

PURPOSE To identify whether myopia was associated with the visual field (VF) progression of primary open-angle glaucoma (POAG). METHODS A total of 270 eyes of 270 POAG followed up for more than 3 years with ≥9 reliable VFs by Octopus perimetry were retrospectively reviewed. Myopia was divided into: mild myopia (-2.99 diopter [D], 0), moderate myopia (-5.99, 3.00 D), marked myopia (-9.00, -6.0...

2017
Cailian Xu Chenwei Pan Chunhua Zhao Mingchao Bi Qinghua Ma Jianhui Cheng E. Song

BACKGROUND To determine the prevalence and associated factors for myopia and high myopia among older population in a rural community in Eastern China. METHODS A community-based, cross-sectional survey was conducted in the Weitang town located in Suzhou, an urban metropolis in East China. A total of 5613 Chinese residents aged 60 years and older were invited to complete a questionnaire and par...

Journal: :Investigative ophthalmology & visual science 2006
Seang-Mei Saw Anoop Shankar Say-Beng Tan Hugh Taylor Donald T H Tan Richard A Stone Tien-Yin Wong

PURPOSE To determine the risk factors of incident myopia in a school-based cohort study in Singaporean children. METHODS A 3-year prospective cohort study was conducted in Singaporean school children aged 7 to 9 years in three schools at entry. Chinese children without myopia at baseline (n = 994) were included in the analysis. The main outcome was incident myopia, defined as spherical equiva...

Journal: :Investigative Ophthalmology & Visual Science 2021

The International Myopia Institute's (IMI) mission is to advance research, education, and management of myopia decrease future vision impairment blindness associated with increasing myopia. Its approach bring together scientists, clinicians, policymakers, government members, educators into the field stimulate collaboration sharing knowledge. latest reports are on pathologic myopia, impact risk ...

2009
John Ifcher Homa Zarghamee Marianne Farag

Myopia—time preference—has been shown to be commonplace and is believed to lead to a series of negative outcomes, such as overconsumption and addiction. Yet, little is known about the determinants of myopia. Using a random-assignment experiment, we investigate whether happiness decreases myopia. Subjects are randomly assigned to receive a happyor neutral-affect inducement. Immediately following...

2015
Zimeng Ye Huaichao Luo Bo Gong Ying Lin Ping Shuai Pu Wang Changning Ye Zhenglin Yang Wanjun Wang Yi Shi

High myopia is one of the leading causes of blindness worldwide. However, the exact etiology of high myopia remains unraveled despite numerous attempts of elucidation. Previous genome-wide association study (GWAS) has revealed that four single nucleotide polymorphisms (SNPs), including rs2969180, rs1652333, rs9307551, and rs7837791, were associated with high myopia in Caucasians. The present st...

Journal: :Annals of the Academy of Medicine, Singapore 2004
M H Edwards C S Y Lam

INTRODUCTION The prevalence of myopia amongst the Chinese has escalated in recent decades. While this refractive error was previously a little more than an inconvenience and a source of unwanted expense to the affected individuals, it is now sufficiently prevalent to warrant national concern. Myopia is also a major cause of low vision. This review aims to provide information on the prevalence o...

Journal: :Molecular Vision 2008
Xiaoming Duan Qingjun Lu Peng Xue Hongjie Zhang Zhe Dong Fuquan Yang Ningli Wang

PURPOSE The mechanism of axial elongation in the myopic eyeball remains to be elucidated. It is known that the expression profile for some proteins in the aqueous humor (AH) changes in some diseases. Accordingly, determinations of these AH proteins may serve to understand their potential role in this pathogenesis. To identify the possible mechanism in myopia development, a proteomic analysis of...

Journal: :Investigative ophthalmology & visual science 2010
Ravikanth Metlapally Chang-Seok Ki Yi-Ju Li Khanh-Nhat Tran-Viet Diana Abbott Francois Malecaze Patrick Calvas David A Mackey Thomas Rosenberg Sandrine Paget Jeremy A Guggenheim Terri L Young

PURPOSE Evidence from human myopia genetic mapping studies (MYP3 locus), modulated animal models, and observations of glycemic control in humans suggests that insulin-like growth factor (IGF)-1 plays a role in the control of eye growth. This study was conducted to determine whether IGF-1 polymorphisms are associated with myopia in a large, international dataset of Caucasian high-grade myopia pe...

2015
Brien A Holden David A Wilson Monica Jong Padmaja Sankaridurg Timothy R Fricke Earl L Smith III Serge Resnikoff

Globally, myopia is the leading cause of distance refractive error, affecting 1.45 billion or 27% of the world’s population in 2010 (myopia being defined as more than or equal to 0.50 D of myopia).1 The number of people with myopia is expected to continue to rise both in absolute numbers and as a percentage of the population.2 In certain age groups in several Asian countries, the prevalence of ...

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