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What is tunnel vision?

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Tunnel vision refers to the complete loss of peripheral vision. Conditions like retinitis pigmentosa and untreated glaucoma can cause tunnel vision.

SOURCES:

American Optometric Association.

Idaho Commission for the Blind and Visually Impaired. 
 

Reviewed by Alan Kozarsky on May 6, 2017

SOURCES:

American Optometric Association.

Idaho Commission for the Blind and Visually Impaired. 
 

Reviewed by Alan Kozarsky on May 6, 2017

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What is the definition of visual acuity?

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