OD = right eye, OS = left eye. It's latin based OD = ocula diestra, OS = ocula siniestra, OU = oculi uniti (both eyes)
to protect the cell
OS is the abbreviation for left eye. OS stands for the Latin term, oculus sinister.
Left eye.
The abbreviation "OS" stands for oculus sinister, Latin for LEFT EYE. It is a term that JCAHO no longer recognizes, so it should just be written out as "left eye"
boundry of the cell that controlls what enters and exits the cells
Glucose
OS is abbreviated for Optical Senses because eye drops are used for your eyes and these senses are for our natural nerve senses that make our optical eyes twitch or sting for a bit.
Your right eye RX (OD) is very weak. Your left eye RX (OS) is rather mild. -US Navy Optician
OS is the medical abbreviation meaning left eye, and OU is the abbreviation meaning both eyes.
In computers, OS stands for Operating System. In optometry, O.S. stands for Left Eye (Oculus Sinister, in Latin). In maps in the UK, OS stands for Ordnance Survey.
In science, OD typically stands for "optical density," which is a measure of how much light is absorbed or scattered by a substance. It is commonly used in spectrophotometry to quantify the concentration of a substance in a solution.