Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
visual acuity
Visual acuity (VA) is acuteness or clearness of vision, especially form vision, which is ependent on the sharpness of the retinal focus within the eye and the sensitivity of the interpretative faculty of the brain.