Ionising radiation interacts with lenses and retinae differently. In human lenses, posterior subcapsular cataracts are the predominant observation, whereas of adults comparably resistant to even relatively high doses. this study, we demonstrate effects 2 Gy low linear energy transfer ionising on eyes B6C3F1 mice aged postnatal day 2. Optical coherence tomography Scheimpflug imaging were utilise...

PURPOSE To review U.S. national population-based surveys to evaluate comparability and conceptual clarity of vision measures. DESIGN Perspective. METHODS The vision questions in 12 surveys were mapped to the World Health Organization's International Classification of Functioning, Disability and Health framework under the domains of condition, impairment, activity limitation, participation, ...

BACKGROUND The present study is first of its kind to evaluate causes of visual impairment of blind students in Nepal and assess their need for low vision rehabilitation services. AIM To evaluate causes of vision impairment of students enrolled in blind schools in Nepal and assess the need for low vision rehabilitation services in these students. MATERIALS AND METHODS A survey was conducted ...

PURPOSE To assess the prevalence and causes of visual impairment in the elderly Bai ethnic group in rural China. METHODS Random cluster sampling was used to identify the Bai ethnic group 50 years and older living in the Dali county of Yunnan, China. Presenting visual acuity (PVA) and best-corrected visual acuity (BCVA) were measured using the Early Treatment Diabetic Retinopathy Study visual ...

Alcohol consumption among young adults is widely accepted in modern society and may be the starting point for abusive use of alcohol at later stages of life. Chronic alcohol exposure can lead to visual function impairment. In the present study, we investigated the spatial luminance contrast sensitivity, colour arrangement ability, and colour discrimination thresholds on young adults that weekly...

background: although visual impairment of drivers is a very important risk factor for car accident, a few published papers have explored this issue in iran. this study aims to evaluate the visual fitness of public vehicle drivers in kerman province, southeast of iran. methods: a total of 4,003 public vehicle drivers were examined by one ophthalmologist for visual fitness in kerman province betw...

PURPOSE To describe the psychometric characteristics of the Impact of Vision Impairment (IVI) Profile and evaluate its validity and reliability over time and between different forms of administration. METHODS The IVI is a 32-item questionnaire developed to measure the impact of vision impairment on restriction of participation in daily activities in five domains of functioning. Each item is r...

abstract background and aim: regard with the importance of balance in daily activities especially in sport activities and understanding the important factor affecting it, the purpose of this study was to compare the role of vision system on dynamic postural stability of young women with men elite athletes. materials and methods: twenty six young women and men elite swimmer were chosen from the ...

Vision Loss in an Aging Society: A Multidisciplinary Perspective, edited by John E. Crews and Frank J. Whittington. AFB Press, New York, 285 pp., $32.95 (paper). Vision Rehabilitation: Assessment, Intervention and Outcomes, edited by Cynthia Stuen, Aries Arditi, Amy Horowitz, Mary Ann Lang, Bruce Rosenthal, and Karen R. Seidman. Swets & Zeitlinger Publishers, Lisse, The Netherlands, 2000. 952 p...

Acquired disturbances of color vision are a highly varied group of defects with frequent departures from established patterns. They can progress from normal trichromatism to anomalous trichromatism on to a dichromatic stage and to monochromatism where most color vision is lost, or they may be relatively stable [1]. A significant “modern effort” to present such conditions was published for first...