The ability to navigate from place to place is an integral part of daily life. Most people would acknowledge that vision plays a critical role, but would have great difficulty in identifying the visual information they use, or when they use it. Although it is easy to imagine getting around without vision in well-known environments, such as walking from the bedroom to the bathroom in the middle ...

A single-topic issue of the Journal of Rehabilitation Research and Development provides a unique opportunity to present new information and to interest new research professionals in meeting the challenges faced by persons with a visual disability. That a single-topic issue of a VA journal is devoted to the area of low vision and blindness is appropriate. The Department of Veterans Affairs (VA) ...

BACKGROUND The registry system can be used to observe the distribution trend of diseases and analyze the related data to provide useful information in a way that enables the government to take appropriate interventional measures. The purpose of this study was to determine the causes and three-year incidence of newly registered disabled patients who were blind or had low vision in Jing-An Distri...

This is a review of studies that have investigated the proposed rehabilitative benefit of tinted lenses and filters for people with low vision. Currently, eye care practitioners have to rely on marketing literature and anecdotal reports from users when making recommendations for tinted lens or filter use in low vision. Our main aim was to locate a prescribing protocol that was scientifically ba...

The purpose of our study was to evaluate the characteristics and the changes of low vision patients over ten years in Korea, and to establish useful data for planning low vision services, active care and rehabilitation. We conducted a retrospective study of 681 low vision patients who visited two low vision clinics in Seoul from 1995 to 2008. Age and sex distribution, cause of low vision, type ...

The Johns Hopkins University, the National Aeronautics and Space Administration, and the Veterans Administration are collaborating to develop and test the Low Vision Enhancement System (LVES), a new technology for aiding persons with severe, chronic visual impairments. The LVES consists of a batterypowered, binocular, head-mounted black-and-white video display equipped with three video cameras....

BACKGROUND Night blindness is a visual disorder associated with unusual vision during the night or in darkness. Vitamin A deficiency (VAD), which is easily preventable, is the main known etiology of night blindness. Malnutrition is a common health issue in Bashagard and some other areas in the Hormozgan province of Iran. The aim of the current study was to determine the prevalence of night blin...

This is a review of studies that have investigated the proposed rehabilitative bene®t of tinted lenses and ®lters for people with low vision. Currently, eye care practitioners have to rely on marketing literature and anecdotal reports from users when making recommendations for tinted lens or ®lter use in low vision. Our main aim was to locate a prescribing protocol that was scienti®cally based ...

BACKGROUND This paper reports population-based data on the prevalence and causes of visual impairment among children and adults in Botucatu, Brazil. METHODS A population-based cross-sectional study was conducted involving a random start point and then systematic sampling of an urban Brazilian population in the city of Botucatu. There were approximately 3,300 individuals aged 1 to 91 years who...