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How to read my rx?

  • How to read my Rx for

    Contact Lenses?

  • How to read my Rx for


Reading my Rxfor Contact Lenses

Scroll over the image of prescription to learn more.

Specific questions pertaining to eye care providers and prescriptions

How did i sign in If I can't remember my password or email?

To retrieve your password, please click "Login" on the supper right hand corner of the screen. Click on "Forgot Password?" and you'll be prompted to enter your email address. Click "Submit" and we'll email you a link that will allow you to change your password. If you forget your email, please call our customer service: 1-800-536-7111 or email our customer service:

How do I change my email or password on my account?

Sign in with your original information, click “Your Account” link on the top right of the page, then click “Login & Password Info” and enter the new information. Next, click "Submit" and you will be done! Then your new email address will receive an email with a link to confirm the email change.

Can I sign into my account if I forget my password and no longer have access to my listed email address?

No, you will not be able to login without your email address or password. To retrieve your email and password, please call our Customer Service: 1-800-536-7111 or email our Customer Service: We ask for these methods to protect your information from being accessed by others.

How do I set an automatic reorder process for every 6 months ?

First, add the contact lenses prescribed by your eye doctor to your cart. On the product page, you'll be able to see an AutoRefill box. Check the box and indicate how often you would like to receive your contact lenses. Learn more about our AutoRefill Program.

Reading my Rxfor Glasses

Scroll over the image of prescription to learn more.

Understanding your glasses prescription

Once your eye examination is complete and all the necessary tests have been done, the optometrist will give you a copy of your prescription. This contains the precise measurements of the type of prescription lenses that you will need in order to have the clearest, most comfortable vision.

But what do the numbers and words actually mean?

SPH (sphere)

A+ in the box indicates that you are far sighted which means you find it difficult to see things close to you. The higher the number, the stronger the prescription lenses are required.

CYL (cylinder)

This indicates the amount of lens power for astigmatism. If nothing appears in this column, either you have no astigmatism, or your astigmatism is so slight that it is not really necessary to correct it with your eyeglass lenses.


This describes the lens meridian that contains no cylinder power to correct astigmatism. The axis is defined with a number from 1 to 180. The number 90 corresponds to the vertical meridian of the eye, and the number 180 corresponds to the horizontal meridian.

ADD (addition)

This is the added magnifying power applied to the bottom part of multifocal lenses to correct presbyopia. The number appearing in this section of the prescription is always a "plus" power, even if it is not preceded by a plus sign.

PD (pupillary distance)

PD is the distance between the centers of the pupils in each eye, this is usually measured in millimeters.

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