Free standard shipping and returns on all orders

TERMS & CONDITIONS

What is your return policy?

If you are not 100% satisfied, you can exchange or return your items for free within 14 days from shipping. However, you can only exchange for free once.
We provide a 12-month warranty for all our products. The warranty includes, only when it is due to our quality problems, particular eyewear part replacement, lenses replacement, return, and exchange. Please note that customers will be responsible for the shipping cost after 14 days. Extra charges may apply if you place new orders. For more details, please contact our customer service representative for professional help.

To complete your return, we require your order number and member ID .

To return your product, you should mail your product to: J&S Sincere Company(Customer Return), 33 Hammond Unit 210, Irvine CA 92618.


You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

Depending on where you live, the time it may take for your exchanged product to reach you, may vary.

If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.

What is your refund policy?

Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

Do you have a warranty?

If you feel there is a manufacturing error, return the glasses for inspection within the 30-day warranty period. If our inspection shows the glasses were made incorrectly, we will remake them for you at no charge. Defects in the anti-reflective (AR) coating and photochromic films are warrantied for one (1) year from the date of receipt. This warranty does not cover normal wear and tear to the frames, lenses, or coatings.

I want to return my glasses. How do I get an RA number?

If you need to return an item, follow the simple steps below:

Call, chat, or email us within thirty (30) days of receiving the item to get your return authorization (RA) number.

These items must be included in package:

  1. The eyeglasses, and any accessories, in the hard plastic case that contained the glasses.
  2. A note with the RA# and a brief description of the issue that caused you to return the glasses.
  3. A copy of the prescription that the eye dr. provided, so we can inspect the glasses and determine if they were made according to the prescription.

Returns should be sent to the address provided with your RA number. To receive a replacement order, glasses must be returned in their entirety (frames, lenses, eyeglass case, etc.)

You must pay the shipping fee to mail the glasses to us. If the glasses are found to have a manufacturing defect, we will refund $2.50 of your shipping fee.

I sent my glasses back. What is next?

If you sent them back for inspection, we will inspect them and email you the inspection results. If you sent them back for refund or store credit, we will email you when we have processed the refund or the credit.

Can I exchange the items received?

We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at service@lifeartglasses.com and send your item to:

Sincere Company(Customer Return) 
33 Hammond Unit 210, Irvine, CA 92618


US

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How to Read Your Prescription

If you can’t make sense of your eyeglass prescription, you’re not alone.

Here are some common prescription types to help you navigate yours.

Prescription pad and pen with a pair of black Zenni glasses next to it.

Standard Grid Format

This is the most common format with clearly printed fields for OD, OS, SPH, CYL, etc.; values are usually entered with computer, but may be handwritten by doctor.

Rx Notes:

Sphere (SPH) and Cylinder (CYL) always have a (+) or (-) sign.

On any prescription, PD can be written in different ways: e.g., 62 (Single PD), 33/31 (Dual PD), or 62/60 (Distance PD/Near PD).
Example of standard grid format prescription.

Blank Format

The information on this free-form prescription is usually handwritten.

Example of blank format prescription.

Progressive / Bifocal

For multi-focal glasses, as well as reading and computer glasses, your Rx will include an ADD or NV value. This number always has a (+) sign.

Rx Note:

The type of Rx glasses may be noted on a prescription, such as DV [Distance Vision/nearsightedness] and NV [Near Vision/reading].
Example of progressive or bifocal prescription with NV values.

Prescription with Prism

The less common prism Rx refers to the amount of prismatic power needed to compensate for eye alignment issues (e.g., double vision or “lazy eye”). The prism Rx will have two values: PRISM & BASE.

Rx Note:

BO=Base Out, BI=Base In, BU=Base Up, and BD (or BDn)=Base Down.
Example of prescription with prism, including values for prism and base.

Vertical Prescription

Unlike typical Rx formats, with values going from left to right, the vertical Rx values are listed top to bottom. This format is less common in the US.

Example of vertical prescription with values listed from top to bottom.

Common Rx Acronyms

  • OD=Oculus Dexter refers to right eye.
  • OS=Oculus Sinister refers to left eye.
  • SPH=Sphere corrects nearsighted or farsighted vision.
  • CYL=Cylinder combined with Axis corrects astigmatism.
  • PD=Pupillary Distance is the measurement of distance between the pupils.

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