Keep accessibility in mind when selecting OER. 
-
Check the About or FAQ page of the OER repository to look for accessibility information.
-
Some repositories may also have a tag stating they are accessible. This could be a site-wide accessibility statement or an accessibility statement on the individual resource.
-
Some repositories have an accessibility search limiter you can apply during your search.
Additionally, you can:
-
Look for an accessibility statement referring to WCAG 2.0 AA.
-
Search for accessibility in the item description or in the advanced search features.
-
Look for a VPAT (Voluntary Product Accessibility Template)
-
Use Blackboard Ally through D2L to assess usability
This image from VectorPortal.com is licensed under CC-BY 4.0