You got me wondering now how the Deaf (political group) relate to the blind? Is there a "capital B" Blind group? I was wondering how sign language would be considered by a Blind person. Could it be seen as a form of discrimination? Thinking about this I wondered if there is a finger-to-palm-touch language. That would be great to learn.
Anyway, thanks again for the diary and your comments. Don't fight forces, use them R. Buckminster Fuller.
There is a sort of sign language for deafblind people where you use the palm of the hand and fingers to spell and communicate. I've seen it being used, I think it is limited especially because many words have to be spelt out and it takes time to do so.
I don't think sign language would be considered a form of discrimination since the language comes about as a necessity for Deaf people. As with all hearing people who don't know sign, an interpreter would be needed to aid communication.
Glad that diary was useful for you! Ad astra per aspera