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.
In the years to come, fans can expect to see more of Casey Parker's winter break traditions, philanthropic efforts, and self-care activities. With her signature style and charm, Casey Parker is sure to continue inspiring fans around the world.
One of Casey Parker's favorite charities is a local children's hospital, where she visits patients and brings gifts during the holiday season. She's also a supporter of a number of environmental organizations, and she often uses her platform to raise awareness about important issues. casey parkers winter break
In addition to spending time with family and giving back, Casey Parker also prioritizes self-care during her winter break. The star is no stranger to the stresses of her busy career, and she knows that taking care of herself is essential to her well-being. In the years to come, fans can expect
"Casey Parker's winter break is an essential part of her creative process," says a colleague. "She's able to step away from her work and come back to it with fresh eyes. It's a great way for her to stay inspired and motivated." She's also a supporter of a number of
"Casey Parker's winter break is a reflection of her values and priorities," says a source close to the star. "She's a devoted wife and mother, and she makes sure to prioritize her family during the holiday season. At the same time, she's also passionate about giving back and taking care of herself. It's a great example of how to live a balanced and fulfilling life."
So what can fans expect from Casey Parker in the new year? While the star hasn't officially announced any new projects, she's hinted that she's working on some exciting new ventures.
In terms of upcoming projects, Casey Parker has been rumored to be attached to a number of new films and TV shows. While details are scarce, fans are eagerly anticipating her next move.
*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 |
Buying eyewear should leave you happy and good-looking. Use our sizing tool to find frames that best fit your unique facial measurements.
Grab a regular card with a magnetic stripe on the back. Student IDs, credit cards and gift cards work well to start our online PD tool.
You may have received our paper PD measurement tool in your recent online order. In order to use this tool, place the ruler on your eyes so that the "0" lines up at the centre in between your eyes. Add up the two numbers, to get your PD. See example below:
Click on this link to download and print your own PD measurement tool.
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