What does 'AS' refer to in terms of ear application?

The abbreviation 'AS' stands for 'auris sinistra,' which is Latin for 'left ear.' In the context of ear applications, specific terminology is used to designate which ear is being referred to, and in this case, 'AS' indicates the left ear. Understanding these abbreviations is crucial for pharmacy technicians to ensure accurate medication administration and patient safety. This knowledge helps in avoiding potential confusion, particularly when dealing with medications intended for either ear.