Systems, methods and apparatus are provided through which meaningful or semantic portions of displayed visual information, are modified in order to improve their visual perception by a user. In some embodiments, the meaningful portion is limited to a word, a plurality of words, a phrase, a sentence,...http://www.google.com.au/patents/US7062723?utm_source=gb-gplus-sharePatent US7062723 - Systems, methods and apparatus for magnifying portions of a display
