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Where are Eiyan lenses manufactured?

Eiyan lenses are manufactured by our trusted manufacturing partner, Visco Vision. Visco is one of the largest manufacturers of silicone hydrogel lenses in the world, and they've been leading in the contact lense industry since 2009. The manufacturing plant is located in Taoyuan City, Taiwan.

What material are they made of?

Our lenses are made of a high-quality silicone hydrogel. With 47% water content and high oxygen permeability (175 Dk/t), Eiyan lenses provide all day comfort and moistness.

Are they FDA approved?

Yes! Eiyan lenses meet all safety regulations set by the FDA. They also meet safety and quality standards set by other regulatory systems such as GMP, ISO:14385-2016, QSR and MDSAP.

Do you sell daily or bi-weekly lenses?

No. At this point, we only sell monthly lenses. We are looking into selling other lens types such as dailies or bi-weeklies.

Do they come in colored tints?

No. We don't carry colored contact lenses.
However, our lenses do have a visibility tint - a very light blue tint. This slight tint is typical of good-quality lenses, and doesn't affect your vision or the color of your eye. It helps you locate your lens in your eye and in the lens solution.

Do they provide me with UV protection?

Eiyan lenses offer UVA/UVB class II protection. that means that they protect your eyes against 70% of UVA rays, and 95% of UVB rays. Eiyan lenses should be worn with adequate protective eyewear (sunglasses etc.) to provide full protection for your eyes.

How long do they last?

Eiyan lenses are monthlies. That means that you can confidently wear them for 30 days. After that, throw them out! Wearing your lenses for too long can be harmful for your eyes.

Do you offer toric lenses (astigmatism) or multifocal lenses?

Unfortunately, at this time we don't offer toric lenses or multifocal lenses. We may offer these products sometime in the future.

What base curve (BC) and diameter (DIA) do Eiyan lenses come in?

Eiyan lenses have a base curve (BC) of 8.7, and a diameter of 14.0.

What power range do Eiyan lenses come in?

eiyan lenses come in the following powers: -12.0 to -0.25 and +0.25 to +7.50

I have a contact lens prescription from my doctor for a different lenses brand. Can I use it to purchase Eiyan lenses?

Yes. Upon completing the exam, a licensed eye care provider will review your results, if you are eligible, issue you a new prescription that you can use to purchase Eiyan lenses.

I only have an eyeglasses prescription. Can I use that to order my lenses?

No. You need a prescription made out specifically for contact lenses to purchase Eiyan lenses. If you have an eyeglasses prescription, make an appointment with your eye doctor to get a contact lens prescription.
Alternatively, you can take the free vision test upon checkout when purchasing lenses from our site. You will receive a prescription upon completing the test, and you can use that to purchase your lenses.

Do I need to take the free online vision test to purchase Eiyan lenses?

No. However we do need to verify your prescription before shipping your lenses. We have 2 ways of doing this:

  1. You provide us with your doctor's information, and we reach out to verify your prescription.
  2. You take the free online vision test.

How do I read my prescription? What power should I choose for my lenses?

Here's a quick tutorial on how to read your contact lens prescription:
OD = right eye
OS = left eye
The power of OD is the power you should choose for your right eye lens.
The power of OS is the power you should choose for your left eye lens.

What form of payment do you accept?

We accept all major credit cards.

Do you accept vision insurance?

If your insurance plan has out-of-network coverage we will process your insurance claim and you will be reimbursed by the insurance company.

Where do you ship?

We ship our lenses anywhere in the USA.

How much does shipping cost?

Shipping for Eiyan lenses is FREE within the US.

How long does it take for my lenses to arrive?

Orders are processed the day after they are placed, Monday through Friday. Orders typically arrive within 7 business days of placing the order.

What should I do if I don't receive my lenses?

If your lenses have not arrived within 7 days of placing the order, use the tracking information you got in your order confirmation email to track your order. If you need additional help locating your order, please contact us.

What is your return policy?

You can return a closed box of Eiyan lenses within 30 days of date on your receipt. To return, place the sealed box of lenses along with the order number in a padded envelope, and mail to the following address: 2 Bergen Turnpike, Ridgefield Park, NJ 07660.

I have vision insurance but I am not sure if I have out-of-network benefits.

Once you provide us with your information we will check with the provider to verify your eligibility and coverage details.

I am not sure if I am covered under my plan or whether my benefits are available.

No worries. You may place your order and reach out to us afterwards to check your eligibility and proceed with your reimbursement claim.

How should I clean my lens case?

Contact lens cases need to be cleaned each day. Once you've inserted your lenses into your eyes, empty the used saline solution from the case. Rinse the case with more saline solution, and leave the case overturned and open to dry.

Can I wash my contacts or lens case with water?

No. Water can contain impurities and microorganisms, which can harm your eyes. Only use a good quality lens saline solution to wash your lenses and lens case.

How long can I wear my lenses during the day?

Eiyan lenses are moist with a high water content (47%) and superior oxygen permeability (120 DK/t). However, optometrists generally recommend removing lenses after 8 hours of wear.

What are general instructions for wearing my lenses?

When you receive your lenses, match up the boxes to the correct eyes. Remove 1 lens pod from the strip, open it, and put on your lens.

Important safety tip!

Always wash your hands with warm water and antibacterial soap, and dry your hands on a lint-free towel before handling your lenses.
At the end of the day, remove your lenses. Make sure to clean and store them properly to keep your eyes germ-free and healthy.
Eiyan lenses are monthlies. That means you can confidently wear them for 30 days. After 30 days of use, throw them out!

How should I clean and store my lenses?

Here's how you should clean your lenses: Do the rub n' rinse.
First, wet your lens with a good quality saline lens solution. Then rub your lens between your fingers, and rinse it with another squirt of saline solution.
Finally, store your lenses in a clean contact lens case. Fill the lens case with fresh saline solution each day, place your sterile lenses in the solution, and make sure to secure the covers tightly on the case.

How do I know if my lens is inside out?

You can tell if your lens is inside out by looking at the top rim of the lens. If your lens is inside out, the edge will curl outward slightly. It is correct if the top rim of your lens points straight up. See image below.

Can I sleep with Eiyan lenses?

No. We don't recommend sleeping with your lenses.