Stoney Creek Eye Care & Eyewear Boutique - Dr. L Bahoshy & Assoc.
15 Mountain Ave S #110 Stoney Creek ON L8G 2V6 (905) 662-8863
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(289) 205-2338

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Stoney Creek, ON
(905) 662-8863

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What Are Polarized Sunglasses & Are They Better for Your Eyes?

At this point, it is hardly a secret that sunglasses are about more than simply looking stylish and feeling comfortable. 

A good pair of sunglasses is essential to your health; they filter out harmful ultraviolet rays. Excessive and ongoing exposure to UV light is linked to diseases like cataracts, glaucoma, and age-related macular degeneration.

But what about polarized lenses? It’s not uncommon to see the word “polarized” next to “100% UV protection” on the tag for a new pair of sunglasses. What does that mean? Will polarized lenses protect your eyes from ultraviolet light too?

Today, we are looking into the science of polarized lenses, including what they do, what they don’t do, and whether they’re worth the price tag.

What’s the Difference Between Polarized & Non-Polarized Lenses?

Light travels in waves, which means it vibrates. Normally, light vibrates in multiple directions. But when light bounces off a horizontal surface like snow, water, or the roof of a car, it only vibrates in one direction, horizontally. This process is called polarization.

Because the light is only vibrating in one direction, it becomes concentrated, hitting the eye directly. We call this concentrated light, “glare.”

The difference between polarized and non-polarized lenses is how they handle glare.

Diagram showing how polarized light differs from unpolarized light in polarized sunglasses

Non-Polarized Lenses

Non-polarized sunglasses are designed to reduce the intensity of any light. If your lenses offer UV protection, they most likely contain special dyes and pigments that absorb ultraviolet rays, preventing them from reaching your eyes.

However, this technology works the same way for all types of sunlight, no matter which directions the light vibrates. As a result, glare will still reach your eyes with more intensity than other light, impacting your vision.

Polarized Lenses

Polarized lenses are treated with a chemical that filters out light. However, the filter is applied vertically, so vertical light can pass through, but horizontal light cannot.

Think of it this way: imagine a picket fence with an inch between each slat. You could easily slide a popsicle stick between the slats if you hold it vertically. But if you turn the popsicle stick sideways so it’s horizontal, it can’t fit between the slats of the fence.

That is the general idea behind polarized lenses. Some vertical light can pass through the filter, but horizontal light, or glare, is unable to make it through.

The Benefits of Polarized Lenses

Glare Reduction

In the best-case scenario, glare is distracting. In the worst case, it can be dangerous. 

Studies indicate that traffic accidents, particularly intersection collisions, occur more frequently when the sun is optimal to produce glare.

By reducing glare, you can stay more aware of your surroundings, which could help you avoid accidents and injuries.

Improved Clarity

Even when glare is not a safety issue, it can impact your ability to see clearly. Athletes and outdoor hobbyists often use polarized sunglasses so they can see with a higher degree of precision.

Polarized sunglasses may also give you a more accurate portrayal of colours than non-polarized sunglasses.

Fatigue Prevention

Research indicates that glare from the sun can cause fatigue. Glare forces your eyes to work harder while they try to interpret the information they’re taking in. This kind of overwork is also called eye strain, which can cause your eyes to feel tired, sore, or impossible to keep open.

When Do Polarized Lenses Work Best?

Polarized lenses may not be the ideal choice in every situation. For instance, devices that use LCD displays emit polarized light. If your car uses LCD displays for basic controls, you should avoid polarized sunglasses while you drive.

However, polarized lenses are an excellent choice for:

  • Golfers
  • Skiers
  • Fishermen
  • Motorcyclists
  • Beachgoers

Are Polarized Lenses Better for My Eyes?

Polarized lenses will not protect your eyes from UV damage more than standard 100% UV lenses. However, they can give you clearer, more accurate vision and alleviate some eye strain.

If you find yourself squinting a lot, even when you’re wearing sunglasses, consider investing in polarized sunglasses. You may find them to be a more comfortable option.

Whatever you do, remember to protect your eyes from ultraviolet rays. Ensure your sunglasses offer 100% UV protection and wear them anytime you head out into the sun.

Written by Dr. Louis P. Bahoshy

Dr. Bahoshy attended the University of Waterloo, where he graduated with an Honours Bachelor of Science Degree (B.Sc), as well as a Doctor of Optometry (OD) Degree.

As part of his optometry training, Dr. Bahoshy completed an externship at the prestigious Omni Eye Institute in Baltimore, gaining extensive experience in diagnosing and managing ocular health conditions. He worked alongside a pediatric ophthalmologist at their satellite location in White Marsh.

While in optometry school, Dr. Bahoshy spent two summers as a researcher at the world-renowned Centre for Contact Lens Research (CCLR) at the University of Waterloo, School of Optometry, learning about the latest in contact lens technology.

Dr. Bahoshy began practicing at Stoney Creek Eye Care (formerly known as Dueck Optometry) in 2001. In October 2017, Dr. Bahoshy became the clinic’s new owner, continuing the commitment of serving Stoney Creek and the surrounding community.

Today, Dr. Bahoshy is an active member of the Ontario Association of Optometrists (OAO), the Canadian Association of Optometrists (CAO), and the Hamilton and District Society of Optometrists. He is also an affiliate doctor at TLC Laser Eye Centres.

When not seeing patients, Dr. Bahoshy enjoys swimming, going to the gym, and spending time with his wife Cynthia, and their two young boys, Pierre and Leo.

More Articles by Dr. Louis P. Bahoshy

Our Vision in Action

At Stoney Creek Eye Care & Eyewear Boutique our trusted team of eye doctors is committed to providing you with high-quality eye care, stylish frames, and personalized attention. We offer a wide variety of services, including:

Convenient Location, Extended Hours,
and Direct Billing

We understand that life is hectic. We want to help make it a little simpler, which is why our centrally-located practice offers extended hours on Saturdays. We’re also happy to directly bill most major insurance companies on your behalf. And on top of all that? We’ve got plenty of free parking. Stoney Creek Eye Care & Eyewear Boutique will always do whatever we can to make your life a little easier, located in the Health Science Building.

Stoney Creek Eye Care & Eyewear Boutique

  • 15 Mountain Ave S #110
  • Stoney Creek, ON L8G 2V6

Contact Information

Clinic Hours

  • Monday9:00 AM - 6:00 PM
  • Tuesday9:00 AM - 6:00 PM
  • Wednesday9:00 AM - 6:00 PM
  • Thursday9:00 AM - 6:00 PM
  • Friday10:00 AM - 5:00 PM
  • Saturday8:00 AM - 1:00 PM
  • SundayClosed

Eyeglass Frames & Lenses

A truly complete eye care experience includes the best eyewear the world has to offer. Our Boutique is well-stocked with globally-recognized brands like Dior, Ray-Ban, Kate Spade, Fossil, and much more.

But of course, your eyewear is much more than just your frames. We offer Zeiss lenses; the paragon of quality lens technology. By pairing the best in optical lenses with filters and coatings for improved performance, Stoney Creek Eye Care & Eyewear Boutique is here to help you look your best, see your best, and feel your best.

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