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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 |
Frames with prescription lenses from $33
We have a great selection of both designer glasses and our own, exclusive collection of more affordable frames.
Use the links below to start your shopping experience for either our designer glasses or our eyewear collection starting at $33 including high quality single vision prescription lenses.
Designer Glasses Value Frames from $33We list eye, bridge and temple sizes on each of our eyeglass product pages. You can find these same numbers written on the side of your existing frames. Just order a frame that's similar in size and you should be good to go!
For more info on frame sizing please see the Fitting Page.
In any case, if you don't love your frames you can return them within 30 days! We want you to be fully satisfied with your purchase with us!
When you get to the page of particular frame you like, click the select lenses button and you will be guided through the entire prescription form process. From here you can select the type of lens, index, coatings and other options.
You'll need to provide us with your pupillary distance (PD). If you don't know your PD, click below to measure it at home! Super simple!
Measure your PDGive us a call to chat with one of our staff or send us an email and we'll get back to you as soon as possible. You can also try our live chat feature at the bottom of the page!
Contact Lenses by Brand
Contact Lenses by TypeThe material provided on this site is for informational purposes only. Have your eyes examined regularly and always follow your eye care professional's instructions for the proper use and care of your contacts. If you experience any unexplained symptoms such as redness, watering, discharge, blurriness, pain or discomfort, discontinue use of contact lenses immediately and consult your eye care professional.
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