I remembered there were quite a number of threads posted in the past regarding light sensitivity and working at the computer.

I found a couple of them that xanadu posted.

Tips for working with light sensitivity:

http://neurotalk.psychcentral.com/thread163832.html

Making your computer more accessible:

http://neurotalk.psychcentral.com/thread166767.html

There are more throughout the TBI/PCS forum.
You can do a search for specific keywords in the forum search feature
or at the top right of the list of threads and posts here, it says Search this Forum.
http://neurotalk.psychcentral.com/search.php