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Disability Studies: A Student Success Guide

Librarian-curated guide to resources and information on disabilities topics, from Student Success

What is Visual Impairment?

Visual impairments or disabilities are defined by the National Eye Institute as corrected vision of 20/40 or worse. This is generally categorized into 3 levels based on strength of vision - low vision/visually impaired (between 20/70 and 20/160), legally blind (between 20/100 to 20/200), and totally blind (lack of light perception) (taken from https://www.accreditedschoolsonline.org/resources/helping-blind-low-vision-students/). Some people with visual disabilities may use assistive technology, such as glasses or magnifiers, braille printers or screen readers, canes or seeing-eye dogs. 

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