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.
And there were compromises. Details fell off the edges like pebbles down a drain— the color of a dress, the exact timbre of a voice. Yet those absences invited imagination to fill the gaps, an active audience completing what the codec abandoned.
We watched it on cracked screens and on borrowed phones, in kitchens where dinner simmered, on buses where strangers kept time with the frames. Every skipped beat became choreography; every artifact a relic. Glitches were not failures but signatures — proof that someone had been here, that someone had chosen to capture and to send.
They said it wouldn’t last. A handful of pixels stitched like thrifted lace, audio thin as a whispered rumor, compressed into a sigh— one megabyte holding a kingdom between its seams. 3gp king only 1mb video
Years later, people will debate whether fidelity matters more than reach. But for that instant, for that tiny sovereign file, the world agreed: presence outranked polish. The 1MB sovereign ruled not by perfection but by persistence — proof that stories can be sovereign even when small.
In the end the lesson is simple as a play button: to persist is to be seen; to be seen is to be remembered. Size did not deny the film its right to be fleeting and true. The 3GP king sat on a modest throne, and everyone bowed. And there were compromises
Ownership of memory reversed: we no longer hoarded pristine resolution; we treasured the courier — the 3GP file — for its economy and stubbornness. It crossed borders that bulkier formats could not; it bypassed scarcity with cunning thrift, carrying whole afternoons in its wake. There was magic in its modesty: the smaller the file, the larger the daring.
Once, video was aspiration. Now, in that compact vessel, intimacy arrived pre-packaged for a slow network. It taught us how little truth needs to survive: a gesture, a glance, a moment suspended long enough to be shared. We learned to read halos of compression like reading faces in weathered portraits. We watched it on cracked screens and on
In that thumb-sized file lived a summer of motion: a tilted skyline, a sapling’s hesitant shadow, a laugh clumsy with static that still reached the ear. The frame-rate stumbled, then found a rhythm — the human eye forgiving the gaps where bandwidth could not tread.
*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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