Assistive Technology Basics
Low‑, Mid, and High‑Tech AT
Vision & Hearing
100

 This term refers to any device or software used to increase, maintain, or improve the functional capabilities of individuals with disabilities.

Assistive Technology

100

This level of assistive technology includes pencil grips, handheld magnifiers, and reachers

Low‑tech assistive technology

100

This system of raised dots allows individuals who are blind or low-vision to read and write through touch.

Braille

200

This federal law requires equal access and is a major reason institutions implement assistive technology.

Americans with Disabilities Act (ADA)

200

Talking calculators and audiobooks are examples of this level of assistive technology

mid‑tech assistive technology

200

This software, such as JAWS or VoiceOver, converts on-screen text into synthesized speech or Braille output.

Screen reader

300

These tools support access without batteries, software, or digital components.

Low‑tech 

300

This tactile peripheral allows a computer user to feel a series of pins that move up and down to represent text in real-time.

Refreshable Braille Display

400

This concept focuses on removing barriers so people with disabilities can participate at the same level as their peers.  

Inclusion

400

Devices such as refreshable braille displays and tablets configured with accessibility apps are examples of this level.

High‑tech 

400

These devices use a camera to snap a photo of printed text and instantly read it aloud to the user.

OCR (Optical Character Recognition)

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