<p>Rules:&nbsp;</p> <p><strong>1</strong>. Claim the coupon code for this offer via&nbsp;<a href="https://www.firmoo.com/z/buy-one-get-one-free.html">this page</a>.</p> <p><strong>2</strong>. Please proceed to check out and input shipping address. Enter the coupon code at this page.</p> <p><strong>3</strong>. Add at least two pairs of glasses to your shopping cart, the cheapest one ( frame + single vision 1.50 index lenses ) will be free.<br /> <strong>4</strong>. Extra 15% off lenses applies to frames on this page only.</p> <p><strong>5</strong>. If you choose the premium lenses or coatings instead of a standard one, only&nbsp;the frame of the cheaper glasses will be free, but you need to pay for the upgraded lenses.</p> <p><strong>6</strong>. This offer cannot be combined with any other offer or coupons.</p> <p><strong>Please note:</strong></p> <p>B1G1 means that you can choose two pairs in one order, but you just pay for one and get one for free. If you choose more than 2 pairs in one order, it will still help you get one for free, but you need to pay for the rest of the pairs.</p> <p>If you already have online shopping experience for glasses or you used the prescription before, please confirm the&nbsp;information before purchasing. If this is your first-time buying glasses online with us, we&nbsp;suggest that you purchase no more than 2 glasses&nbsp;initially to fully benefit from the promotion.&nbsp;</p>
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Terms and Conditions

What is the material of your lens?

Lens Color

Lens Thickness/ Lens Index

How to choose lenses?

What coatings and add-ons do you offer for your lenses?

Photochromic & Transitions® Lenses Introduction

Lens Functions

What're the difference between Tint lens, Photochromic lens and polarized lens?

Do the lenses include any coating?

How to use progressive glasses?

Do you have prism lenses?

Can I buy lenses only to fit into my old glasses frame?

What's the difference between basic coated lenses, standard coated lenses and blue-light blocking lenses?

Do you offer bifocal or progressive lenses?

What is the difference between single-vision and bifocal/progressive lenses?

Which kind of lenses are free?

Spherical VS Aspherical Lens (video)

Difference between Spherical Lens and Aspherical Lens

What type of bifocal lens do you use?