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.

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.

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.

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

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.

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.

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.

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

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

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

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.

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.

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.

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.

We accept all major credit cards.

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

We ship our lenses anywhere in the USA.

Shipping for Eiyan lenses is FREE within the US.

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

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.

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.

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

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

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.

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.

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.

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.

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!

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.

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.

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