Based on Research by TBI Model Systems. 1  Your vision is important for many aspects of life. 2  Traumatic brain injury (TBI) can cause problems with your vision.  Treatment can either fix the problem completely, improve your vision, or help you better manage the problem.
Grammar. 1  InitialsAn initial is the first letter of a word. We often use initials to refer to the names of countries and organisations: â¦. 2  AcronymsAcronyms are words which are formed from the first letters of other words, and which are pronounced as full words. Examples of acronyms: â¦. 3  Abbreviations, initials and acronyms â¦.
An acronym is an abbreviation, used as a word, which is formed from the initial components in a phrase or a word.Usually these components are individual letters (as in NATO or laser) or parts of words or names (as in Benelux).ome apparent acronyms or other abbreviations do not stand for anything and cannot be expanded to some meaning. Such pseudo-acronyms frequently develop as  orphan initialisms ; an existing acronym is redefined as a non-acronymous name, severing its link to its previous meaning.