Visual Impairment: What Is Impaired Vision? - 1 views
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common vision-threatening eye diseases are:
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Katelyn Karsnia on 20 Mar 22Common eye disease that can cause visual impairment
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visual field of
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common method
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Visual impairment, or vision impairment,
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DiabetesStrokeThyroid diseaseMyasthenia gravisLyme diseaseAIDSTumors located in or around the eye
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The eye itselfOptic nerveOrbit (area around each eye)The vision pathways inside the head
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Together with doctors and other medical professionals, humanitarian groups and organizations such as the National Federation of the Blind, the American Council for the Blind and Hadley can offer a helping hand to those affected by vision loss.
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means full correction is not even possible with the help of glasses, contact lenses, medication or vision surgery.
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means that someone’s eyesight is reduced (impaired) to the extent that it can’t be corrected to a normal level.
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Moderate visual impairmentVisual acuity: 20/70 to 20/160Severe visual impairmentVisual acuity: 20/200 to 20/400 and/orVisual field: 20 degrees or lessProfound visual impairmentVisual acuity: 20/500 to 20/1000 and/orVisual field: 10 degrees or less