Frequently asked questions

We've compiled a list of commonly asked questions for your convenience. If you are unable to find the answer to your question, please contact us for further assistance.

We totally get that reading your prescription can be tricky if you're not an optician! That's why we've created the following list to make the whole thing simpler.

OD = Right eye

OS = Left eye

SPH = SPHERE power. It indicates the amount of lens power prescribed for nearsightedness (-) or farsightedness (+).

CYL = CYLINDER power - the degree of astigmatism

AXIS = The direction of astigmatism, measured in degrees (1-180)

ADD = Provides the additional magnifying power of reading, progressive and computer lenses. It’s always a positive value

PD = Pupillary distance. It’s the distance between the center of one pupil to the center of the other pupil, measured in millimeters. Learn how to measure this value by yourself HERE

Watch this VIDEO to learn more about reading your prescription.

To save you the hassle of having to write all this out, you can upload your prescription during the checkout process and our experienced opticians will process it on our end.

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