• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index

Visual Impairments

A visual impairment is a disability that affects the vision of an individual, even with correction. Individuals with visual impairments represent a diverse population because such disabilities can range from mild to severe and may be accompanied with another disability (e.g., an intellectual disability). Advancements in medical practices, Braille, assistive technology devices, and instructional delivery methods have positively affected the lives of individuals with visual impairments. This entry examines definitions, causes, and examples of visual impairment, mobility aids for individuals with visual impairments, and unique educational services for them.

Definitions of Visual Impairment

Visual impairments usually are explained from either a clinical or a functional perspective. A clinical definition describes a person's vision and often relates to legal matters and rights to services. A functional definition more ...

    • Loading...
    locked icon

    Sign in to access this content

    Get a 30 day FREE TRIAL

    • Watch videos from a variety of sources bringing classroom topics to life
    • Read modern, diverse business cases
    • Explore hundreds of books and reference titles