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Vkyee will always try our best to provide high-level standard,affordable,fashion trend and classic glasses.Before the products sending out to you,our internal will do 6 times checking before pack the frames to make sure you are satisfied when get the frames. But somtimes things happens and may caused the frames in ungood condition,please don't worry and feel free to contact us directly through mail on [email protected],we will for sure deal with it appropriately and give you a good experience. If you received a defective glasses caused can not wear,please contact with us by the first time through live chat or mail at [email protected] for replacement. This warranty does not apply to human-made demage. For return the products back,please contact us or check our refund policy here .
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.