This is your one-stop reference to more than 5,000 of the most frequently used terms, phrases and abbreviations associated with the eye and vision, and 1,000 abbreviations and acronyms. The definitions are in "plain English" so everyone can understand them, with phonetic pronunciations...

Special Features: Common misspellings are listed alphabetically, so you don't need to spell a word to find it; mini-definitions are within definitions, so you don't waste time looking up cross-references.