Blindness

Essay specific features

 

Issue:

Science

 

Written by:

Gerald M

 

Date added:

February 17, 2016

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 591

 

Was viewed:

619 times

 

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Essay content:

On the other hand, the World Health Organization (WHO) Program Advisory Group on the Prevention of Blindness lists the vision level suggested as blindness as a visual acuity of less than 10/200 (3/60), which is twice as low as the U.S. definition. The WHO level of visual acuity is also described as the inability to count fingers in daylight at a distance of 10 ft (3 m), because in many regions a great number of people cannot receive formal eye examinations but may be tested by unspecialized personnel...
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definition. The WHO level of visual acuity is also described as the inability to count fingers in daylight at a distance of 10 ft (3 m), because in many regions a great number of people cannot receive formal eye examinations but may be tested by unspecialized personnel. From data available in the mid-1980s, the number of persons worldwide who have a visual acuity of less than 10/200 is estimated as 28 million...
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