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Lenses
 

What is the material of your lens?
Difference between Spherical Lens and Aspherical Lens
Lens Functions
What're the difference between Tint lens, Photochromic lens and Polarized lens?
What is the difference between single-vision and progressive lenses?
Can you replace lenses if I send you my frame?
What lens tint is right for me?
What are Polarized lenses?
What do the Lens Index numbers mean?
How to replace lenses?
How do I get thinner lenses?
What is the difference between photochromic and Polarized lenses?
How to choose the lenses thickness? What is the relationship between lenses thickness and the refractive index?

 

 

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