Tactile alphabets
A tactile alphabet is a system for writing material that the blind can read by touch. While currently the Braille system is the most popular and some materials have been prepared in Moon type, histori...
Tactile alphabets - Wikipedia
Braille
Braille /ˈbreɪl/ is a tactile writing system used by the blind and the visually impaired. It is traditionally written with embossed paper. Braille-users can read computer screens and other electronic...
Braille - Wikipedia
Hyperacuity (scientific term)
The sharpness of our senses is defined by the finest detail we can discriminate. Visual acuity is measured by the smallest letters that can be distinguished on a chart and is governed by the anatomica...
Hyperacuity (scientific term) - Wikipedia
Moon type
The Moon System of Embossed Reading (commonly known as the Moon writing, Moon alphabet, Moon type, or Moon code) is a writing system for the blind, using embossed symbols mostly derived from the Latin...
Moon type - Wikipedia
Canadian currency tactile feature
The Canadian currency tactile feature is a feature on the Canadian Journey and Frontier series of Canadian banknotes to aid people who are visually impaired to identify the notes. The feature indicate...
Canadian currency tactile feature - Wikipedia
Zayn al-Din al-Amidi
Zayn al-Din 'Ali ibn Ahmad al-Amidi (Arabic: زين الدين علي بن أحمد الآمدي‎; died 712 H/1312 AD) was a blind Arab scholar most known for inventing a system before Braille that allowed him to ...
Perforation
A perforation is a small hole in a thin material or web. There is usually more than one perforation in an organized fashion, where all of the holes are called a perforation. The process of creating pe...
Perforation - Wikipedia
Thomas Armitage
Thomas Rhodes Armitage (2 April 1824 – 23 October 1890) was a British physician, and founder of the Royal National Institute of Blind People.He was born at Tilgate in Sussex into a family of wealthy Y...
New York Point
New York Point is a braille-like system of tactile writing for the blind invented by William Bell Wait (1839–1916), a teacher in the New York Institute for the Education of the Blind. The system used ...
New York Point - Wikipedia
Braille technology
Braille technology is assistive technology which allows blind or visually impaired people to do common tasks such as writing, browsing the Internet, typing in Braille and printing in text, engaging in...
Charles Barbier
Charles Barbier de la Serre was the creator of night writing.Charles Barbier de la Serre was a Captain in the French Army during the early 19th century. "Ecriture Nocturne" (night writing) was invente...
Vibratese
Vibratese is a method of communication through touch. It was developed by F. A. Geldard, 1957. It is a tactile system based on both practical considerations and on results from a set of controlled psy...
Night writing
Night writing, AKA sonography, was a system of code that used symbols of twelve dots arranged as two columns of six dots embossed on a square of paperboard, and is now remembered as the forerunner of ...
Night writing - Wikipedia
Tibetan braille
Tibetan Braille is the braille alphabet for writing the Tibetan language. It was invented in 1992 by German socialworker Sabriye Tenberken. It is based on German braille, with some extensions from int...
Vietnamese braille
Vietnamese Braille is the braille alphabet used for the Vietnamese language. It is very close to French Braille (and thus to a lesser degree to English Braille), but with the addition of tone letters....
Korean braille
Korean Braille is the braille alphabet of the Korean language. It is not graphically related to other braille scripts found around the world. Instead, it reflects the patterns found in hangul, and dif...
Japanese braille
Japanese Braille is the braille script of the Japanese language. It is based on the original braille script, though the connection is tenuous. In Japanese it is known as tenji (点字), literally "dot...
Japanese braille - Wikipedia
Hebrew braille
Hebrew Braille is the braille alphabet for Hebrew. The International Hebrew Braille Code is widely used. It was devised in the 1930s and completed in 1944. It is based on international norms, with add...
Hebrew braille - Wikipedia
Braille literacy
A sighted child who is reading at a basic level should be able to understand common words and answer simple questions about the information presented. They should also have enough fluency to get thro...
Braille patterns
In Unicode, braille is represented in a block called Braille Patterns (U+2800..U+28FF). The block contains all 256 possible patterns of an 8-dot braille cell, thereby including the complete 6-dot cell...
Tactile alphabet
A tactile alphabet is a system for writing material that the blind can read by touch. While currently the Braille system is the most popular and some materials have been prepared in Moon type, histori...
Tactile alphabet - Wikipedia