This term usually refers to text files (ASCII or word processing files) mounted on a website that can be located and copied to a local computer with standard web browsers.

DotsPlus is a set of tactile fonts that permits virtually any computer document written in a language based on the Roman alphabet to be printed in a form readable by a blind person. Standard text printed in the six-dot DotsPlus font reads very much like grade 1 (non-contracted) standard braille. The eight-dot DotsPlus font set […]

See also Seeing Eye Dog, Dog Guide, Service Animal, and Assistance Animal. This is a specially trained dog that helps people who are blind as they walk about. The dog wears a specially designed harness with a handle shaped like an upside down “U”, allowing the user to grasp the harness comfortably while walking. These […]

Subject to certain standards, documents and other matter may be mailed free of postage by or for the use of blind or other persons who cannot read or use conventionally printed materials due to a physical handicap. These provisions apply to U.S. domestic mail only. The USPS may require individuals claiming entitlement to the free […]

The law and pertinent guidance set forth by the United Kingdom, including Northern Ireland, for protection of persons with disabilities from discrimination.

In general, this term refers to any condition that limits normal activities of daily living. Various public and private organizations may have more narrowly defined definitions that qualify an individual for certain benefits. In the field of blindness, visual acuity is the standard by which presence and degree of disability are determined.

This approach to preserving sound every component of a sound down into digital (electronic) data. The sound, a car horn sounding for example, is assessed and analyzed thousands of times a second. This is called sampling. These samples are stored in various means on digital media (hard drives, CDs, etc.). Sophisticated software can be used […]

A medical examination performed by an ophthalmologist or medical doctor. Such examinations go beyond acuity examinations performed by optometrists and are intended to uncover medical conditions potentially threatening function of the eye and vision.

A complication from diabetes that affects the blood supply to the light-sensing part of the eye. Without early diagnosis and possible treatment, severe eye complications can occur, leading to total blindness.

n the United States, authors can claim exclusive rights to the intellectual property comprising a book, recording or computer program, among others. The author can grant or sell permission to use this intellectual material in part or in whole. The law acknowledges that preparation of alternate format editions of such documents are unusual and components […]