Text Options for the Visually Impaired Font Size: a- A+ Color: A A A Revert 
Close vision bar
Open vision bar
Hyperboles

Websites:

http://www.watchknowlearn.org/Video.aspx?VideoID=32692&CategoryID=2260

http://www.watchknowlearn.org/Video.aspx?VideoID=14861&CategoryID=2260