Yes, I can manage to read backward lines. Once you get the hang of reading quickly, your capacity for taking in and retaining information will increase. Here's an example. Cna Yuo raed thsi snetnece? I can. Since I began reading at a very early age, I've learned to read very quickly. Thanks to this acquired ability, I can take in information while reading, and not lose my place. Speed-reading comes naturally for me, since I've been practicing it for a long time. It may take a while for you to get the hang of it, but once you do, speed-reading will be easy.
Nick