NOTE
This is a prescription glasses for myopia, before you order it please check carefully that if your vision report is consistent with the product.
About the anti blue ray lenses, it is suitable for people who use computers or mobile phones for a long time or are often work in light pollution.
About the photochromic lenses, they will be transparent and colorless indoors or in dark places, but they will change color outdoors or in the sun to protect your eyes from strong light.
WARM TIPS
For anti blue ray test, please test it by blue light lamp.
For photochromic test, please test it in the sun, do not test it indoors or in cloudy days or under lamps, it will not change color because there is not enough ultraviolet rays.
Photochromic glasses is not sunglasses, its color depth does not equal sunglasses.
CUSTOMIZED RANGE
For finished product, the power of the left and right lenses is the same, its original pupil distance is fit for 60mm-64mm, it can not be modified.
For customized product, it can be customized for the following prescription:
Index 1.56: Sphere -0.5 to -4.0 (Cylinder -0.5 to -2.0, Axial 0 to 180)
Index 1.61: Sphere -0.5 to -6.0 (Cylinder -0.5 to -2.0, Axial 0 to 180)
Index 1.67: Sphere -0.5 to -10.0 (Cylinder -0.5 to -2.0, Axial 0 to 180)
Pupillary Distance 50mm to 80mm
About the index (Refractive Index), the index 1.67 lens is thinner than 1.61 lens, the index 1.61 lens is thinner than 1.56 lens.
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