Low Vision
1. Reading Aloud & Highlighting
-
Read entire text aloud - B, LV, CLL, D/HOH
- Read words or blocks of text aloud when highlighted or clicked - LV, CLL
- Highlight each word as it is read aloud - LV, CLL
- Allow the user to correct text-to-speech mispronunciations and/or retrieve pronunciation corrections from a central source - B, LV, CLL
2. Reorganizing, Simplifying, & Translating
2.1 Visual Transformations
- Adjust colors according to user settings - LV, CLL
- Shift colors to be make text and images visible with certain types of color blindness - LV
- Adjust text font, including size and spacing (leading and kerning) - LV, CLL
- Adjust contrast or use a low contrast mode - LV, CLL
- Adjust magnification - LV, CLL
- Use a customized, alternate style sheet (CSS) - LV, CLL
2.2 Reorganizations
- Reformat displayed text to facilitate reading - LV, CLL
- Create consistency (of controls, navigation, layout, labels, and icons) among web pages, while maintaining distinguishable appearances of pages - B, LV, CLL
2.3 Other Transformations
- Prevent flashing to reduce risk of epileptic seizures and reduce distractions - LV, CLL
- Transform content to conform to accessibility standards - B, LV, CLL, PHY, D/HOH
2.4 Adjust/remove time limits on reading, listening, or acting
- Provide ability to extend or remove time limits on reading - B, LV, CLL, PHY
- Provide ability to extend or remove time limits on completing an action (filling in a form, etc) - B, LV,CLL, PHY
3. Supplementing Page Content
Most of the following can be done either by an automated tool or by collaborative/third party markup:
3.1 Page & Site Level Enhancements
- Support collaborative third party markup (customized accessibility scripts for web pages that are designed by and shared among users) - B, LV, PHY, CLL, D/HOH
3.2 Image Description
4. Facilitating Written Communication
- Read letters and words aloud as they are typed - B, LV, CLL
5. Error Prevention & Recovery
- Help minimize errors - B, LV, CLL, PHY, D/HOH
- Provide general strategies and contextual aid to safely recover from errors - B, LV, CLL, PHY, D/HOH
6. Preference & Privacy Features
- Automatically determine and adjust settings - B, LV, CLL, PHY, D/HOH
- Choose preferred features and adjust settings with a user-friendly feature wizard - B, LV, CLL, PHY, D/HOH
- Provide settings and options that are easy to try out and modify (because settings may cause confusion) - B, LV, CLL, PHY, D/HOH
7. Special
7.1 Virtual Worlds & Gaming
- Use sound proximity/doppler to provide an audio interpretation of visual content and actions - B, LV
- Provide audio descriptions of objects in local area (within a selective perception / "virtual horizon") -B, LV, CLL
- Provide the ability to discover relationships between items - B, LV
