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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 Some people with visual disabilities may use assistive technology, such as glasses or magnifiers, braille printers or screen readers, canes or seeing-eye dogs. Find out more about visual impairments - the science, history, tools, and experiences - on this page.

Featured Books

Book cover - grey title on black cover with image of bright and plain dots
Book cover - red title on dark blue background with image of large eye
Book cover - white and teal title on grey background, image of brown ball
Book cover - black title on blue background, image of head with colorful gears
Book cover - purple title on white cover, image of large eye with reflected image of woman putting in eyedrops

Featured Web Resources