Contact Lens Research

We work hard to bring you meaningful content. We have a passion and deep knowledge for eye health and we want to share that information with our wonderful customers. We are in the process of doing a full rework of this research hub so that we can share a more organized and engaging platform. Be sure to tune back in to check that out in the future 🙂

Astigmatism: Definition, Causes, & Treatment

By Dr. Edwin R. Wallington | 11/26/2022

What is Astigmatism? Astigmatism is an optical condition of the eye that causes vision to be blurry when looking at things that are either far away or up close due to having multiple points of focus.  Other refractive error problems (such as nearsightedness and farsightedness) are caused by light being focused to ONE POINT either…

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Nearsightedness (Myopia) vs. Farsightedness (Hyperopia)

By Dr. Edwin R. Wallington | 11/24/2022

Understanding Myopic and Hyperopic Vision Issues Myopia and hyperopia, more often referred to as nearsightedness and farsightedness, respectively, are common vision conditions that affect a large portion of the American population.  Knowing and understanding the differences between these two conditions can help you identify them and bring any concerns to your eye doctor. Getting an…

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Hyperopia/Hypermetropia (Farsighted): Causes, Signs, & Treatment

By Dr. Edwin R. Wallington | 11/17/2022

What is Farsightedness (Hyperopia)? Hyperopia (also known as Hypermetropia or Farsightedness) is an optical condition of the eye that makes focusing far away difficult, but it makes focusing up close even more difficult.  People who have hyperopia have greater difficulty focusing up close, so they are better (in comparison) at seeing far away, and therefore,…

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Myopia (Nearsighted): Causes, Signs, & Treatment

By Dr. Edwin R. Wallington | 11/15/2022

What is Nearsightedness (Myopia)? Myopia, also known as nearsightedness, is an optical condition of the eye that causes vision to be blurry when looking at things that are far away.  Therefore, myopia is also referred to as being nearsighted, as in, “I have near sight. I can see things that are near to me. I…

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Who Sells the Cheapest Contact Lenses online?

By Dr. Edwin R. Wallington | 11/09/2022

We researched three popular contact lens online sites and compared their regular prices with Deliver Contacts with the intent to demonstrate that the everyday low price at delivercontacts.com is notably lower.

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Who Sells the Cheapest Bausch + Lomb Contacts?

By Dr. Edwin R. Wallington | 11/08/2022

Browse all of the top name contact lenses from Bausch + Lomb to compare prices from leading providers. These comparisons were completed on October 26, 2022 with every intent to be precise. We urge you to verify and compare for yourself as prices for other companies may vary and promotions may be available. Please do…

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Who Sells the Cheapest Cooper Vision Contacts?

By Dr. Edwin R. Wallington | 11/08/2022

Browse all of the top name contact lenses from Cooper Vision to compare prices from leading providers. These comparisons were completed on October 26, 2022 with every intent to be precise. We urge you to verify and compare for yourself as prices for other companies may vary and promotions may be available. Please do your…

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Who Sells the Cheapest Acuvue Contacts?

By Dr. Edwin R. Wallington | 11/08/2022

Browse all of the top name contact lenses from Acuvue to compare prices from leading providers. These comparisons were completed on October 26, 2022 with every intent to be precise. We urge you to verify and compare for yourself as prices for other companies may vary and promotions may be available. Please do your research…

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Who Sells the Cheapest Alcon Contacts?

By Dr. Edwin R. Wallington | 11/08/2022

Browse all of the top name contact lenses from Alcon to compare prices from leading providers. These comparisons were completed on October 26, 2022 with every intent to be precise. We urge you to verify and compare for yourself as prices for other companies may vary and promotions may be available. Please do your research…

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Contacts vs. Glasses Prescriptions: Are they the Same?

By Dr. Edwin R. Wallington | 10/31/2022

Contacts vs. Glasses Prescriptions: Are they the Same? Contact lens prescriptions and glasses prescriptions are not the same, although they do have many similarities.  Many of the measurements and values that are needed for a valid prescription are consistent and you’ll still need to get an eye exam from a licensed eyecare professional to make…

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What Does “Power” or “PWR” Mean in a Contact Lens Prescription?

By Dr. Edwin R. Wallington | 10/30/2022

In order for us to see, light enters the eye through the cornea, goes through the pupil, and then must focus perfectly on a single pinpoint spot on the retina in the back of the eye called the fovea.  If light does not focus on the fovea, then that eye is “uncorrected” and the point…

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Contact Lens Diameter: What is the Right Size?

By Dr. Edwin R. Wallington | 10/30/2022

Contact Lens Size: “Diameter” Meaning Every valid contact lens prescription for contact lenses includes the following:  Base Curve (B.C.) Power Diameter (Dia.)  Without the diameter measurement of a contact lens, your contact lens seller will have to deem your contact lens Rx as “invalid”.  The diameter of a contact lens is the edge-to-edge measurement of…

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Types of Contact Lenses (Style)

By Dr. Edwin R. Wallington | 10/30/2022

Do Contact Lenses Come in Different Styles? Yes. The most common type of contact lens worn today is the disposable contact lens, but it is not the only type of lens.  In the past, rigid gas permeable and yearly soft lenses were more common, but now are used by very few patients in comparison and…

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What Does Base Curve or “BC” for Contact Lenses Mean?

By Dr. Edwin R. Wallington | 10/30/2022

Base Curve (BC) Meaning The Base Curve of a contact lens is the measurement of the back curvature of the contact lens, the “fitting curve”. Base Curve is the term that is used to describe the caliber of steepness of the lens needed for properly matching the shape of the person’s cornea of their eye.…

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Online Contact Lens Price Comparison

By Dr. Edwin R. Wallington | 10/27/2022

These comparisons were completed on October 26, 2022 with every intent to be precise. We urge you to verify and compare for yourself as prices for other companies may vary and promotions may be available. Please do your research and find out for yourself how amazing the prices are at DeliverContacts.com. <— scroll left to…

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2 Things You Should Never Do If You Wear Contacts

By Dr. Edwin R. Wallington | 10/24/2022

To help you be a responsible contact lens wearer, here are two things you should never do if you wear contacts—straight from Dr. Edwin Wallington, OD. Wearing contact lenses means you need to be responsible with your eyes and lenses because if you don’t, it can damage both your contact lenses and your eyes. We…

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When Should You Get Contact Lenses? 9 Q + A’s About Contacts From An Eye Doctor

By Dr. Edwin R. Wallington | 09/22/2022

If you’re wondering when you should get contact lenses, you should know that the best way to answer that is to visit your eye doctor. Choosing contact lenses will depend on several factors, such as your age, lifestyle, and ability to clean your lenses. Outside of visiting your eye doctor and discussing your best options…

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10 Rules for How to Take Care of Your Contacts, Straight From Your Eye Doctor

By Dr. Edwin R. Wallington | 08/26/2022

Before you wear contact lenses for the first time, it’s important to know how to properly care for them. Improper wear of contact lenses can actually lead to complications—from not being able to wear contacts in the future to something as serious as permanent vision loss.  I know that sounds scary, but fortunately, taking care…

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What to Expect at Your Eye Exam

By Dr. Edwin R. Wallington | 07/28/2022

If this is your first trip to the eye doctor’s, here is what to expect at your eye exam and some tips to get the most out of your exam.

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What Does Your Contact Lens Prescription Mean?

By Dr. Edwin R. Wallington | 12/29/2021

What does your contact lens prescription mean? An eye doctor breaks it down.

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When In Doubt, Take Your Contacts Out!

By Dr. Edwin R. Wallington | 12/27/2021

Do you have red eyes? Here’s what it might mean. Many contact lens wearers experience occasional irritation. But if you have red or irritated eyes, Dr. Wallington has one piece of advice for you: when in doubt, take those contacts out. What to Do If Your Eyes Are Red and You Wear Contacts Your first…

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What You Should Know About the Big 4 Contact Lens Companies

By Dr. Edwin R. Wallington | 10/04/2021

Wondering where DeliverContacts.com gets their contacts from? Here’s a closer look at some of the big contact lens companies. Deliver Contacts uses four major contact lens companies for their contact lens distribution: Johnson & Johnson (Acuvue) Alcon Bausch & Lomb Coopervision Each of these four contact lens companies exceeds expectations on contact lens design and…

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What is a Valid Eye Prescription?

By Dr. Edwin R. Wallington | 10/01/2021

If you have heard how important it is to have a valid eye prescription, you may wonder what that actually means. Here’s what a valid eye prescription means and how to ask for one from your eye doctor. According to the FDA.gov website, a valid eye prescription means: “When you get an eye exam, the…

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