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Single Vision Prescription （Learn about prescriptions） If your prescription is like the following one, you need first to choose a single vision type and then fill in the correct information like the example below.
Single Vision Prescription With Prism If your single vision prescription is like the following one, you also need to fill in the prism information besides all other information like the example below. (Note: there is no PD value in the prescription, but actually you need to fill in your PD value) How to measure your PD?
Progressive Prescription
If your prescription is like the following ones, you need to fill in information like the example below. (Note: there is no PD value in the prescription, but actually you need to fill in your PD value) How to measure your PD?
For sample 1, you just need to fill in the corresponding values.
For sample 2, you need to change +225 to +2.25, -150 to -1.50, -125 to -1.25, -50 to -0.50 and then fill in the corresponding values.
For sample 3, you need to use Near O.D. +0.75-Distance O.D.-1.50 or use Near O.S.+1.00- Distance O.S. -1.25 to get the ADD +2.25 value and then fill in the ADD blank.
PS: the three different prescriptions get the same prescription lenses.
Reading Prescription If your prescription is like the following ones, you need to fill in information like the example below. (Note: there is no PD value in the prescription, but actually you need to fill in your PD value)
Other Information You Might Use When Filling In Prescription
OD stands for “oculus dexter,” or right eye.
OS stands for “oculus sinister,” or left eye.
If there is PL or DS in your prescription, it means the value should be 0.
The term PL (Plano) means there is no spherical correction in this eye.
DS stands for “diopter sphere”, which means there is no astigmatism correction for this eye.
You need to fill in information like the example below. (Note: there isn’t PD in the prescription, but actually you need fill in your PD measurement)
PD is the distance between your two pupils in millimeters. Having a correct PD on your glasses ensures that you are looking through the ideal spot in your lenses. If there is no PD on your prescription, you can check it with your doctor or measure it yourself.
SPH(Sphere)
Sphere(SPH) refers to the refractive correction in the prescription. Minus(-) values are for nearsightedness, and Plus(+) values are for farsightedness. If "PL" or "Plano" is written for the either SPH on your prescription, then you should select "0.00".
CYL(Cylinder) & Axis
Cylinder(CYL) refers to astigmatism. It can be either positive(+) or negative(-). Axis is recorded as an angle in degrees, between 0°and 180°. Therefore, if there is a CYL value on your prescription, then there must be an Axis for it.
If "DS" or "SPH" is noted for the either CYL on your prescription, it means you have no astigmatism.
ADD(Addition)
The number sometimes written as "NV" or "Reading Addition" refers to near vision and is used for multifocal lenses and readers.
Prism
Prism is power, measured in diopters, used to correct vision displacement, like double vision or an eye turn. Most eyeglass prescriptions do not have prism correction. A prescription with prism will have two values per eye: a Prism (power) and Base (direction).
Please confirm whether your prescription data matches. If it is correct, please click 'Confirm' to continue.
