Deaf or Hard of Hearing (DHH)
Deaf or hard of hearing”, which may be referred to as a hearing impairment, means the following: (1) A disability that, with or without amplification, adversely affects the student's: (A) ability to use hearing for developing language and learning; (B) educational performance; and (C) developmental progress. (2) The hearing loss may be: (A) permanent or fluctuating; (B) mild to profound; or (C) unilateral or bilateral. (3) Students who are deaf or hard of hearing may use: (A) spoken language; (B) sign language; or (C) a combination of spoken language and signed systems.