In other words, to analyze and fully understand "deafisms" is a problem of considerable complexity and consequence. For a decade we have been studying this language phenomenon through analyzing the written language of the deaf in comparison with those who have other types of language disorders and with the normal.
Source: wiktionary
Therefore, errors of punctuation cannot be considered a type of deafism.
Source: wiktionary
The best place to fight Hollywood deafism is in our deaf schools. If we give our children understanding and appreciation of our rich culture and sign language, the students will gain a deaf heritage and become more creative, more aware, and more assertive global deaf citizens.
Source: wiktionary