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  • Prescription Running Lenses

Lens Tint Guide

When you see the percentage numbers next to a lens tint, that describes the amount of light that is being let through the lens. For example, 8-9% is a very dark lens, 35% is a very light sunglass lens and 96% is a clear lens. The chart above shows the percentage range we would recommend for each light condition. In lens guides, Visual Light Transmission is sometimes shortened to VLT.

Lens Materials 101

Prescription running sunglasses typically use lenses made of either high grade polycarbonate or Trivex, another composite lens material. Both are lightweight and shatterproof and provide excellent clarity. Trivex is a slightly better material in terms of clarity, but most people have a hard time telling the difference and both result in excellent lenses in terms of optical quality and impact protection.

Polarized vs. Non-Polarized Lenses

We would almost always recommend polarized lenses for running, but if you mostly run early in the morning or at dusk, there are other lenses that will likely perform better for you. The polarization filter effectively cuts road glare and reduces eye fatigue, but if most of your miles are in neighborhoods or running through downtown streets, a good mirror coating on a non-polarized lens will get the job done as well. It’s hard to perform your best when squinting and if your face is relaxed your body tends to feel more relaxed as well.

Progressive vs. Single Vision

If you normally use progressive lenses in your everyday glasses, should you get them in your running eyewear? There isn’t a perfect answer to this one, usually runners will know for sure if they want them or not. If you are on the fence, we would recommend getting progressive lenses if your “add” power (reading magnification) was +2.00 or higher. If your "add" is weaker, for example +1.50, you can likely make out the numbers on your heart rate monitor or watch without the reading magnification. In our opinion, the benefit of not giving up lens space for the magnification portion, seems to outweigh the inconvenience of squinting a little to read your watch.

How Does Getting "Re-Lensed" at Salt City Optics Work?

Select your lens options and enter your prescription in the cart page (or send it later). We then send you a box with a prepaid shipping label. Place your frames in the box and drop them in the mail. We will custom make new lenses, fit them back into your frames and send them back to you. Simple and easy! You save money and get new lenses in frames that you already know you will love.

How Long Does It Take To Get My Glasses Back?

In most cases, single vision lenses will be completed and shipped out within 7 business days of us receiving your frames. Progressive lenses are usually shipped out inside of 10 days.

Where Do I Enter My Prescription?

Your prescription is entered into the prescription form on the cart page, or you can email or fax it to us later.

Is There A Charge For Shipping?

Standard shipping is always free. We have an expedited option if you would like faster shipping.

Can I Use My FSA / HSA Card?

We accept FSA and HSA dollars for all purchases as long as your FSA or HSA card is affiliated with a major credit card (has the Visa/Mastercard logo on it).

If you would like to use your FSA or HSA card to pay for a portion of your purchase and apply the remaining balance to a different card, we can do that as well. Please call us at (888) 507-1230, 9 a.m.–5 p.m. MST, Monday-Friday. You can also email us at info@saltcityoptics.com.

What If I Need To Exchange Or Return My Order?

We're not happy unless you're happy. We will gladly exchange or return your prescription lenses within 30 days of you receiving them. Simply call us, chat online, or email us and one of our friendly representatives will happily email you a pre-paid return label.

Prescription Running Lenses

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