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OD stands for oculus dexter and indicates the RIGHT eye

OS stands for oculus sinister and indicates the LEFT eye

OU stands for oculus Uterque and indicates BOTH eyes

I just wanted to say THANK YOU TO WHOMEVER ANSWERED THIS QUESTION!! I came here searching for the answer to this same exact question and found this discussion which answered my question perfectly! So once again, thank you thank you thank you!! :-)

Sincerely, Jenna Spier

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Is a glasses prescription with OD -0.25 OS plus 1.75 powerful or mild?

Your right eye RX (OD) is very weak. Your left eye RX (OS) is rather mild. -US Navy Optician


What does od mean in eye drops?

"od" on a prescription for eye drops mean "right eye"--as in apply the drops to the right eye. "os" means "left eye".


What is the difference between "os" and "od" in eye prescriptions?

In eye prescriptions, "OS" refers to the left eye and "OD" refers to the right eye.


What does "OD" mean in an eye prescription and how does it affect the overall vision correction process?

"OD" in an eye prescription stands for "oculus dexter," which means right eye in Latin. It indicates the specific correction needed for the right eye. The prescription for the left eye is labeled as "OS" for "oculus sinister." Understanding these labels helps ensure the correct lenses are prescribed and fitted for each eye, leading to accurate vision correction.


Is OS the left eye?

OD = right eye, OS = left eye. It's latin based OD = ocula diestra, OS = ocula siniestra, OU = oculi uniti (both eyes)


How do you find out your right and left eye power for buying contacts?

A prescription would be needed to determined the 'power' of each eye if you're ordering contacts. If you're unsure and/to unable to get an eye exam to determine your prescription, to be on the safe side order +0.00 OS and +0.00 OD.


OD is left or right 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.


Which eye is OD?

Right OS = Left Yes....from oculus (eye) dexter (right) and oculus sinister(left)


What does OD mean in science?

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.


What does this eye prescription meanOD Plano -50 x 100 O S Plano -50 x 95?

Od means RIGHT eye,and 50 x 100,it's result OS means LEFT eye,and 50x 95,it's result.


What does OD mean in Ophthalmology?

The terms Oculus Dexter (right eye), Oculus Sinister (left eye), and Oculus Uterque (both eyes) are used in medicine, usually abbreviated OD, OS, and OU, respectively.


What does an increase in od and os of one quarter mean?

Your ophthalmologist, optometrist, or optician should explain that to you . . . whoever it was that wrote the prescription.