Vision Impairments

Blindness

• Users often listen to pages using a screen reader.
• Barrier to access: content often isn’t read out correctly.

Low Vision

• Users often set their own font and background colors.
• Users often magnify the screen to make it more readable.
• Barrier to access: content doesn’t resize correctly.
• Barrier to access: insufficient contrast between text and background.

Color Blindness

• Reds and greens often indistinguishable.

Assistive Technologies

• Screen Reader, e.g. JAWS, WindowEyes, NVDA
• Braille Reader
• Screen Magnifier
• Voice recognition, e.g. Dragon NaturallySpeaking

Example

• A screenreader user tests the Student Portal Mobile App. (Login required)