sufficiently far apart to exceed the two-point threshold
Totally blind people do not have any ability to see visual images, light, or darkness. They may experience sensations through their other senses, such as hearing, touch, taste, and smell, to navigate and understand their surroundings.
No, Albert Einstein was not blind, but he was dislexyic.
No, Zeus is not blind. In Greek mythology, Zeus is portrayed as a powerful god who rules over the sky and thunder.
Yes, blind people may still have some limited control over their eye movements, but their ability to see is either significantly impaired or absent. Their eye movements may occur in response to sounds or other sensory stimuli.
We have blind spots because part of the retina in our eye do not have light sensitive cells. Fortunately, we are not aware of our blind spots because the blind spots of our two eyes do not coincide.
Braille
Braille, the system of raised dots which is used by blind or visually impaired people to read, was developed by Louise Braille in 1824.
Braille works as raised dots on a flat surface which the blind can feel and 'read' using their fingers.Braille works by blind people feeling raised dots similar to Morse code.
Braille works as raised dots on a flat surface which the blind can feel and 'read' using their fingers.Braille works by blind people feeling raised dots similar to Morse Code.
BRAILLE!!!
The braille alphabet
He invented Braille, a system of raised-dot writing so blind people could read using their finger-tips.
Louis Braille invented a system of raised dots on paper that lets blind people read.
Braille, a system of raised dots that represent letters.
Braille invented the raised dot alphabet to give blind people the ability to read by touch.
He invented a system of raised dots to represent letters, so that blind people could read.It is called the Braille script. Check the related link for more info 200 years ago he invented Braille, for blind peopleHe invented Braille, an alphabet using raised dots that could be read by touch. A language for the blind.
Louis Braille developed a system of raised dots that can be felt with the fingers to represent letters and symbols. Through touch, blind people can read and write using Braille by tracing their fingers over the dots on a page. He taught blind people to use Braille through his school in Paris, where he demonstrated the method and helped students learn how to read and write with it.