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"
The O.D. designation on an eyeglass or contact lens prescription means the right eye or oculus dexter. The O.S. means left eye or oculus sinister.
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.
OS is the medical abbreviation meaning left eye, and OU is the abbreviation meaning both eyes.
OD stands for oculus dexter, which is Latin for "right eye." So, OD refers to the right eye.
sig = write OS = oculus sinister or left eye 1 = well 1 :) id = idem or daily So it looks like, put in left eye one time per day. J
Your right eye RX (OD) is very weak. Your left eye RX (OS) is rather mild. -US Navy Optician
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.
My guess: Dexter is Latin for right side. Sinister is Latin for left side.
"OD" in eye drops stands for "oculus dexter," which is Latin for "right eye." It indicates that the eye drops are meant to be used in the right eye.