Hard of hearing is defined as any person who has a hearing loss in one or both ears and whose usual means of communication is through the spoken language. This definition all encompasses children who are diagnosed deaf in childhood and educated orally.
There are two categories and definitions for a person who is Deaf. One is belonging to the uppercase D group and the other is the lowercase d group. The uppercase D refers to a sociolinguistic and cultural group who prefer to use sign language predominantly as their form of communication. The lowercase d refer to person with early onset hearing loss who have little or no residual hearing. This group’s preferred method of communication is speech and lip-reading (speech reading.)