OD (lens prescription)

View the Eye Diseases and Conditions Slideshow Pictures

Medical Definition of OD (lens prescription)

OD (lens prescription): Abbreviation of "oculus dexter." Latin for "right eye." (The words "dexterity" and "dextrous" derive from "dexter" since the right hand is usually more skillful than the left.)

OS stands for "oculus sinister" which is Latin for left eye.


Quick GuideCommon Eye Problems and Infections

Common Eye Problems and Infections

Subscribe to MedicineNet's General Health Newsletter

By clicking Submit, I agree to the MedicineNet's Terms & Conditions & Privacy Policy and understand that I may opt out of MedicineNet's subscriptions at any time.

Reviewed on 6/9/2016

Health Solutions From Our Sponsors