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OD is an abbreviation for the Latin term oculus dexter which means right eye. Notice that the right eye information is asked for first even though we typically read from left to right.
OS is an abbreviation of the Latin oculus sinister which means left eye. That will be referenced on the far right column of the prescription.
SPH is short for sphere. The sphere of your prescription indicates the power on the lenses that is needed to see clearly. A plus (+) symbol indicates the eyeglass wearer is farsighted. A minus (-) symbol indicates that the eyeglass wearer is nearsighted.
CYL is short for cylinder. The cylinder indicates the lens power necessary to correct astigmatism. If the column has no value (is blank), it indicates that the eyeglass wearer does not have astigmatism. If this is the case on your prescription, you can leave it blank when entering it in.
AXIS is a prescription will include an axis value for those with astigmatism. This number represents the angle of the lens that shouldn't feature a cylinder power to help correct your astigmatism.
ADD is short for "additional correction." This is where details about bifocals, multifocal lenses or progressive lenses would appear.
OD is an abbreviation for the Latin term oculus dexter which means right eye. Notice that the right eye information is asked for first even though we typically read from left to right.
OS is an abbreviation of the Latin oculus sinister which means left eye. That will be referenced on the far right column of the prescription.
B.C. is short for base curve measurement indicates the back curvature of your contact lens, in millimetres. This is important for comfort, as the BC of your contact lenses should match your eye's natural curve as closely as possible to ensure a better fit when you are wearing your contact lenses.
DIA is short for "diameter," or the distance from one edge of the contact lens to the other. This is measured in millimeters.
SPH is short for sphere. The sphere of your prescription indicates the power on the lenses that is needed to see clearly. A plus (+) symbol indicates the eyeglass wearer is farsighted. A minus (-) symbol indicates that the eyeglass wearer is nearsighted.
CYL is short for cylinder. The cylinder indicates the lens power necessary to correct astigmatism. If the column has no value (is blank), it indicates that the eyeglass wearer does not have astigmatism. If this is the case on your prescription, you can leave it blank when entering it in.
AXIS is a prescription will include an axis value for those with astigmatism. This number represents the angle of the lens that shouldn't feature a cylinder power to help correct your astigmatism.
ADD is short for "additional correction." This is where details about bifocals, multifocal lenses or progressive lenses would appear.
*Discount applied on the current website price at the time of order. Offer only valid for new customer first contacts order over $10. Maximum discount of $100. Cannot be combined with any other offers. Promotions are subject to change without notice. We reserve the right to cancel orders that are in breach of the terms and conditions of this offer.
| Lens Width | Bridge Width | Temple Length | |
|---|---|---|---|
| XS | < 42 mm | < 16 mm | <=128 mm |
| S | 42 mm - 48 mm | 16 mm - 17 mm | 128 mm - 134 mm |
| M | 49 mm - 52 mm | 18 mm - 19 mm | 135 mm - 141 mm |
| L | >52 mm | >19 mm | >= 141 mm |
Our returns & exchanges policy
We at ContactsExpress.ca understand that sometimes things change, which is why we offer a free 30-day return policy and free 365-day exchanges.
We're committed to being responsive in the way that we address returns and exchanges.
We offer free 30-day returns for glasses and sunglasses for customers in the US and Canada.
Frames may be returned for store credit or refund provided that the item is unused and unscratched as well as in its original condition and packaging. Frame returns must include all materials originally sent (cases, cloths, and lenses).
Store credits do not expire, and returns are free. For international customers, return shipping costs may apply. Please contact our customer care team for further assistance.
Please call our customer care team at 1-833-487-5487 and they will be happy to help you process your return or exchange!
We offer free 30-day returns for contact lenses for customers in the US and Canada.
Contact lenses may be returned for a refund, which will be processed within 30 days from the receipt of your order at our processing center, if they are in their original condition, unopened, complete, and sealed without writing or markings on the packaging.
We also offer a 365-day return program for prescription contacts.
We will take back unopened boxes of your old prescription, and credit the value towards your new prescription.
When your contact lens prescription changes, we will accept returns for store credit within 365 days from the day that you receive your order. This store credit can be applied to any future purchases from ContactsExpress.ca and do not expire.
Returned contact lenses must be in their original packaging and condition, unopened, complete, and sealed, without any writing or markings.
Returns for contact lenses are free for customers in the US and Canada.
For international customers, return shipping costs may apply. Please contact our customer care team for further assistance.
Please call our customer care team at 1-833-487-5487 and they will be happy to help you process your return and work with you for our prescription contacts value credit system!
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