For the outline: suggested format is the following:  It is suggested that for 3-4 of these references you write a few lines for the ones that you find to be most useful(the key points/takeways). For i

For the outline: suggested format is the following:

 It is suggested that for 3-4 of these references you write a few lines for the ones that you find to be most useful(the key points/takeways).

For instance, 

1. Your reference typed here

A sentence/line or two about what you found in the reference that was important.

And so on(2, 3, 4 etc), throughout the list.

Formatting:

No specific length requirement, though it typically runs to about 1-2 pages, depending on your topic. 

https://nei.nih.gov/eyedata/blind

https://nei.nih.gov/faqs/anatomy-legal-blindness-low-vision-blindness

https://www.afb.org/