You can use the keywords DeafBlind OR Deaf-Blind to retrieve the best results.DeafBlind people have developed and created Pro-Tactile, a sign language dialect.
Deafnormativity: who belongs in deaf culture?. Disability & Society, 36(8), 1221-1239
Edwards, T. (2022). Giving Up on Politeness. Rethinking Politeness with Henri Bergson, 97