In medical and optometry fields, the abbreviations for the right eye, left eye, right ear, and left ear are commonly used. Here’s what they stand for:
- OD – Oculus Dexter (Right Eye)
- OS – Oculus Sinister (Left Eye)
- AD – Auris Dexter (Right Ear)
- AS – Auris Sinister (Left Ear)
These abbreviations are derived from Latin. Here’s a breakdown of what each part means:
- Oculus – This Latin word means ‘eye.’
- Auris – This Latin word means ‘ear.’
- Dexter – This Latin word means ‘right.’
- Sinister – This Latin word means ‘left.’
These abbreviations are often used in medical prescriptions, charts, and documentation to specify which eye or ear is being referred to.