"Antiophthalmic factor" is a complex term that is often misspelled due to its length and complexity. In IPA phonetic transcription, it is written as /ˌæntiɒθˈlɛmɪk ˈfæktə/. It refers to a substance that prevents or treats eye diseases, such as vitamin A. This word is significant in the medical field and should be spelled accurately to avoid confusion and misinterpretation. With its phonetic transcription, it becomes easier to understand how to properly pronounce and spell this medical terminology.