What does the abbreviation OS stand for in medical terms?
Correct answer: Left eye

mammy1027
great info!

PC
As ever. Left hand is sinister Grr

AndyV5615
Sinister is the old heraldic term for left. It’s used in its current context of being dark and evil because Christians believe that their Devil is left handed and his worshippers follow the Left Hand path of life.

Maureen
I used this abbreviation as a pharmacy technician.

pippin
mammy1027, I only have one eye and.am left brain.

Nhuca
Grat info!

ang
Like I say My Right eye Blink to my Left Eye Wink. I am Totally Right Handed on the other hand My Older Twin Sister is Ambedextrous. Its really Neat to see What Hand she is going to use. she does write with her Left Hand...

Player Bengal Mama
Rick-N-Bacher, So..where does sinistral come from?

Rick-N-Bacher
sinister comes from sinistral

mammy1027
Player #1157978, ha!