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### Theory:

People with vision loss cannot see the things around them.
How can they read and write?
• A person who has lost their vision is unable to see at all.
• A lens or glasses will not be able to correct this.
• People who are blind develop other senses such as hearing and touching, allowing them to carry on with their daily activities.
• By using the braille system, people who are blind can review and study the written word.
The Braille system:
Blind child learning through braille system
• Braille is a tactile aid that allows visually impaired people to read and write.
• Louis Braille, a visually challenged person, developed the braille system. The present Braille System was adopted in the year $$1932$$.
• Many Indian languages can be read using the braille system.
• In the Braille code system, there are $$63$$ Dots or $$63$$ Characters.
• Visually impaired people learn the braille system by beginning with letters, then special characters and letter combinations. Methods depend upon recognition by touching.
• Each character has to be memorized by visually challenged people. When they touch the braille texts, they can recognize what is written in the material.
• Braille is read by moving the hand or hands along each line from left to right.
• Reading is generally done with both hands, with the index fingers doing the majority of the work.
• Reading speed is around $$125$$ words per minute on average. However, higher speeds of up to $$200$$ words per $$minute$$ can be achieved.
Braille-Pattern

 Louis Braille’s legacy has enlightened the lives of millions of people who are blind. Blind individuals from all over the world get benefitted from Braille’s work daily.
Reference:
https://pixabay.com/vectors/braille-alphabet-dots-spots-text-6159673/
https://en.wikipedia.org/wiki/File:English_braille_sample.jpg
https://freesvg.org/louis-braille