Entering a Prescription
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How to add your prescription
You can provide your eyeglass prescription information during the lens selection process when adding your frames to the cart. Enter the numbers exactly as they appear on your prescription for each eye.
During checkout, you will be able to upload a photo of your most recent prescription or provide your doctor's contact information so that we can successfully process your order.
What do the numbers on my prescription mean?
Most eyeglass prescriptions include separate values for your right eye (OD) and left eye (OS).
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Here is a typical eyeglass prescription:
Eye
SPH (Power)
CYL
AXIS
ADD
left
left
left
left
left
OD (Right)
-2.25
-0.75
180
+1.50
left
left
left
left
left
OS (Left)
-3.00
-0.50
170
+1.50
left
left
left
left
left
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Here are the definitions of the prescription terms:
10%,40%
Term
Definition
left
left
PWR/SPH
Power or Sphere — indicates the strength of correction needed for nearsightedness (–) or farsightedness (+).
left
left
CYL (Cylinder):
Measures the amount of astigmatism correction required.
left
left
AXIS:
Shows the orientation of astigmatism correction, measured in degrees from 1 to 180.
left
left
ADD
Additional magnification. Only found on prescriptions for multifocal/progressive/bifocal lenses.
left
left
PD (Pupillary Distance):
The distance between the centers of your pupils. This measurement ensures your lenses are properly aligned with your eyes.
left
left
OD:
Right Eye Prescription
left
left
OS:
Left Eye Prescription
left
left
OU:
Indicates the prescription applies to both eyes.
left
left
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Still have questions?
Please contact us.