Visual Impairment

Last modified: February 28, 2019
Estimated reading time: < 1 min
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Visual Impairment is a broad term covering many difference degrees of sight loss.

Some people will have some useful vision for orientation purposes but others may have no vision at all.

Sight loss can be measured in many different ways.  Some include how much light perception a person has, some look at the rate of focus, some look at the ability to see contrast and others to see distance and then some look at night time vision.

Being registered as “blind” does not always mean that a person has no vision.

Further Information

Royal National Institute of Blind People (RNIB)

Royal Society for Blind Children

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