Introduction: This study involved a systematic literature review to document the sources behind publications and citations that comprise knowledge about rates of braille usage/literacy among people with visual impairments in the United States. Methods: Predefined search criteria were used to extract publications that potentially mentioned claims…

Increasingly, students with visual disabilities are pursuing higher education. The students need to face the challenges and difficulties of disorganized services and technology to be independent learners. Institutions should provide the support services to meet the requirements of the students. Such students in the United States expressed their…

"Low vision" describes any condition of diminished vision that is uncorrectable by standard eyeglasses, contact lenses, medication, or surgery that disrupts a person's ability to perform common age-appropriate visual tasks. Examples of assistive technologies for vision rehabilitation include handheld magnifiers; electronic vision-enhancement…

This review highlights the literature on the function and adjustment process of family members of persons with adult-onset vision loss. The majority of the literature has focused on the unique role that the family plays in providing both instrumental and emotional support to adults with low vision. In contrast, the impact of low vision on the…

An overview of psychophysical studies on visual factors that influence normal- and low-vision reading is presented. General principles, such as the presence or absence of central vision, were found to predict reading performance despite the heterogeneity of low-vision conditions. Results suggested most low-vision subjects meet the visual…

This review aims to document the efficacy and validity of vision therapy for modifying and improving vision functioning. The paper describes the essential components of the visual system and disorders which can be physiologically and clinically identified. Vision therapy is defined as a clinical approach for correcting and ameliorating the effects…

The paper examines issues concerned with the education and employment of individuals, primarily males, with color vision deficiency. After a brief introduction, the first chapter looks at adult problems such as employment areas in which the disability presents problems. The next chapter considers problems of children, noting the heavy use of color…

This article describes the physiological mechanisms involved in three-dimensional depth perception and presents a variety of distance and depth cues and strategies for detecting and estimating curbs and steps for individuals with impaired vision. (Author/DB)

This article reviews literature on the issue of whether it is preferable to teach students literacy skills using large print or using standard print with optical devices. Findings indicate reading standard print with optical devices is as effective a literacy medium as large print and, perhaps, a more effective one. (Contains references.) (CR)

This consensus statement on best practices for choosing low-vision devices is a product of a 10-member expert panel which brought together a variety of disciplines as well as consumers for the purpose of synthesizing available scientific information to improve services to people with low vision. After an introductory section, the remaining…

The author discusses the current status of driving for persons with low vision, both with and without using a bioptic telescope. Licensing criteria, training sequences, and problem areas are considered. (Author/CL)

A study investigated effects of regular instruction and practice with prescription reading glasses with three adolescents with low vision. Two students demonstrated no advantage in reading large print and one student experienced a decreased reading rate using standard print and reading glasses. Students preferred reading standard print with…

Presents a historical overview of education research on children with visual impairments, examining four areas: low vision perception and efficiency; tactual perception and efficiency; reading and writing in the visual medium; and reading and writing in the tactual medium. Current research issues in educating learners with visual impairments are…

The report analyzes data collected by the American Printing House for the Blind from residential and nonresidential schools regarding trends in school enrollment and reading methods among legally blind school children. (CL)

This article presents a systematic review of the research evidence on the effects of the characteristics of typefaces on the legibility of text for adult readers with low vision. The review revealed that research has not produced consistent findings and thus that there is a need to develop standards and guidelines that are informed by evidence.…