Find out more about the common terms used on your prescription, what this means for the health of your eyes & why changes occur in our vision.
To help you determine what all this means, here are common eye prescription abbreviations and what they mean: OS (Oculus Sinister): Refers to your right eye. OD (Oculus Dextrus): Refers to your left eye. OU (Oculus Uterque): Refers to both your eyes. D (Diopter): This is represented...
OU = Oculus Uterque, meaning both eyes. SPH = Sphere, which refers to the lens power you’ll need to achieve 20/20, or optimal, vision. A minus sign means you are nearsighted; a plus sign mean you are farsighted. The higher the number, the more correction you need. CYL = Cylinder...
OS is your left eye.OS is short foroculus sinister, Latin for “left eye.” Your vision prescription may also have a column labeled "OU." This is the abbreviation foroculus uterque, which means "both eyes" in Latin. These abbreviated terms are common on prescriptions for glasses,contact le...
The abbreviation OD is frequently used in eye care and has two distinct meanings. When OD is part of your lens prescription, it is the abbreviation for the Latin termOcular Dexter, which means “right eye.” When OD is written next to your eye doctor’s name, it is the professional abbr...
CYL (Cylinder):This number indicates the diopter required to correct your astigmatism. It can have a minus (-) or plus (+) sign in front of it. The further it is from 0, the more astigmatism you have. If the cell is blank, it means your doctor has determined you don’t have or ...
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the French Ministry of Health and CDC recommend mandatory comprehensive ophthalmic screening in all children born to a mother infected during pregnancy, prior to 1 month of age, with a further fundus exam repeated at 1 year [147,148]. Early detection and expedient refractive correction can lead ...
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