What are the definitions of Deaf, Blind, and Permanently Disabled?
Deaf means the primary way you receive messages is through a sense other than hearing, for example, lip reading or sign language.
Blind means your better eye permanently has 20/200 vision or less with corrective lenses, or your peripheral field of vision is 20 degrees or less.
Totally and permanently disabled excludes those age 66 or older, includes blindness, and is fully defined under Social Security Guidelines 42 USC 416
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