Here's an article I wrote last spring and have made avaialbe free on-line. It can help you out if you find your eyes get weary working on your computer. Costs nothing, no $300 course, etc. Just simple techniques you can start doing today, so tomorrow your vision is sharper... Really eyes, for a writer, are one of his most valuable tools.
I take that back, I know several blind writers... Anyways, for those who are expereince eye strain...
How To Reduce Computer Eye Strain and Improve Your Vision
Plenty of powerful tips that create immediate relief of eye tension. One reader recently wrote: “...I’ve already started following the guidelines and in less than 24 hours my eyes have improved dramatically.”