Deafblindness
Deafblindness
Deafblindness (pronounced: /ˈdɛfˌblaɪndnɪs/) is a combination of sight and hearing loss that affects a person's ability to communicate, access information, and navigate the environment.
Etymology
The term "deafblindness" is a compound of "deaf" and "blindness". The word "deaf" comes from the Old English "dēaf", while "blindness" originates from the Old English "blindnys".
Definition
Deafblindness is a unique and extremely challenging condition that involves the loss of both hearing and sight to varying degrees. This dual sensory impairment can significantly affect communication, socialization, mobility, and daily living skills.
Causes
Deafblindness can be caused by various factors, including genetic conditions such as Usher syndrome, congenital rubella syndrome, and CHARGE syndrome. It can also be acquired later in life due to conditions like age-related macular degeneration and glaucoma, or as a result of trauma or injury.
Related Terms
- Congenital Deafblindness: Deafblindness present at birth or occurring in infancy.
- Acquired Deafblindness: Deafblindness that occurs later in life.
- Haptic Communication: A form of nonverbal communication that involves touch and physical contact, often used by individuals who are deafblind.
- Tactile Signing: A type of sign language that is felt rather than seen, used by some individuals who are deafblind.
See Also
- Helen Keller: An American author, political activist, and lecturer, who was the first deafblind person to earn a Bachelor of Arts degree.
- Sense International: A global charity that supports people with deafblindness.
External links
- Medical encyclopedia article on Deafblindness
- Wikipedia's article - Deafblindness
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