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Disability Glossary

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Blindness or Vision Impairment

A person is considered legally blind if they are unable to identify less than 6/60 distance vision or a restriction of this visual field to 10 degrees of arc.This means that what people can usually see at 60 metres a person with a vision impairment can only see at 6 metres.Vision impairment varies from person to person and may range from blurred vision, reduced depth and distance perception, sensitivity toglare, tunnel vision to poor night vision. Vision impairment may impact on a person at birth, deteriorate overtime or occur suddenly as a result of an accident, hereditary condition,diabetes, glaucoma, stroke, eye infections or congenital conditions. It is estimated that less than 5 percent of people with a vision impairment are legally blind.