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Check spelling


Make sure your search terms are spelled correctly. The search engine will attempt to find words that sound similar to your search terms, but it is always best to try to spell the search terms correctly.


Use multiple words


Use multiple words when performing your search. The search results will return more refined results from several words than from a single word. For example, typing ocular gene therapy will return more relevant results than typing only ocular. (Keep in mind, relevant results are returned even if they don't contain all query terms.)


Use similar words


The more similar words you use in a search, the more relevant results you will get back.


Use appropriate capitalization


Capitalize proper nouns. Lowercase words will match any case. For example, typing dry will return all documents containing the words dry, Dry, and DRY. However, typing Dry will search for pages about the Dry Eye.


Use quotation marks


Use quotation marks to find words which must appear adjacent to each other, for example, "macular degeneration." Otherwise, the search results will include the word macular, and the word degeneration, but not necessarily in that order. The words may appear anywhere, and in any order, within the document.


Use plus (+) or minus (-)


Use a plus sign when your search term or phrase must appear in the search results. Use a minus sign to indicate undesirable term(s). The plus sign tells the search engine that a certain word or phrase is required in the search results, and a minus sign indicates that a word or phrase must be absent in the search results. Note: A phrase must be contained within quotation marks. Leave no spaces between the plus or minus sign and the term.


Use field searches


Field searches allow you to create specific searches for words that appear in a specific part of a document. A field search can be performed on body text (body:), title text (title:), alt text (alt:), meta description (desc:), meta key words (keys:) or URL (url:). The field name should be in lowercase and immediately followed by a colon. There should be no spaces between the colon and the search term. Note: The field searches can only be followed by a word or phrase. Phrases must be contained within quotation marks.


Use wildcards


Wildcard searches can expand the number of matches for a particular request. The * character is used as the wildcard character. For instance, searching for wh* will find the words what, why, when, whether, and any other word that starts with wh. Searching for *her* will find the words here, whether, together, gathering, and any other word that contains her anywhere in the word. Wildcards may be combined with the standard plus (+) and minus (-) modifiers, quotes for phrases, as well as the field search specifiers. +wh* -se*ch will find all pages which have a word that starts with wh and which does not contain a word that starts with se and ends with ch. "wh* are" will find the phrases where are, what are, why are, etc.



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All 2000+ pages on this website were BOBBY level 1 compliant  We'd be grateful for expert assistance to develop this to modern standards. Please contact the Webmasters via facebook link above. Contact Webmasters Accessibility   This page last edited: 13 April 2012
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Disclaimer statement: BiOptic Driving Network does not sell, endorse, or offer opinions on products, manufacturers, or professionals whose services/products may be secured following posting on this website.  Products and individuals pictures on this site have been specifically authorized by the relevant manufacturer or individual.  We are a registered not for profit organization, and provide information to help make informed choices.  We do not give individuals optometric or ophthalmologic advice, but may refer one to an eminent expert.  A BiOptic Telescopic System does not itself make someone a safe driver; specialized training is prerequisite.