C$12 for C$150 Toward Prescription Glasses or Sunglasses at Mapleview Medical Centre - Optometry

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C$12 C$15
Extra $3 Off Ends 5/29
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Value Discount You Save
C$150 92% C$138
  • Sale Ends
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Over 440 bought

In a Nutshell

Gain a different perspective in a new pair of prescription glasses or sunglasses

The Fine Print

Promotional value expires 90 days after purchase. Amount paid never expires. May be repurchased every 90 days. Limit 1 per person, may buy 1 additional as gift. Appointment required. Consultation required; non-candidates and other refund requests will be honored before service provided. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

The Deal

  • C$12 for C$150 toward a complete pair of prescription glasses or sunglasses

Polarized Lenses: Blocking the Glare

The inventory includes sunglasses with polarized lenses. Learn exactly what that means with Groupon’s introduction to this technology.

When light leaves the sun, it’s kind of aimless. As a ray barrels through space at the speed of, well, light, the advancing electromagnetic field that makes up a light wave fluctuates in strength around the direction of the ray in many different planes.

It’s the job of polarized lenses to get this erratic light in line. A polarizing filter consists of microscopic crystals in which strands of molecules are all aligned parallel to each other. When unpolarized light hits the filter, those molecule chains absorb any energy that’s traveling in the same plane they’re aligned in, blocking it from passing through. What emerges on the other side is now polarized, with all its energy fluctuating within a single plane.

Why worry about how a wave of light gets to you at all? As anyone who’s ever squinted through the too-bright reflection from a car’s hood or a body of water can sense, light polarized in certain directions can be dangerous. When light bounces off horizontal surfaces, it becomes horizontally polarized, resulting in the blinding phenomenon known as glare. For this reason, sunglasses with polarized lenses are coated with (or, in some cases, formulated containing) a filter that blocks this horizontal light, allowing through only the gentler vertical components in the environment. This improves safety for drivers, beachgoers, boaters, and whale ranchers, although not for downhill skiers—on the slopes, you need to see horizontally reflected light to alert you to icy patches ahead.

Customer Reviews

Friendly and helpful
Linda F. · April 20, 2017
the service was 100% & very friendly. I would recommend this place to anyone for glasses. Great pries as well
Brenda M. · April 18, 2017
Very friendly and very help. They were great with my kids ages 16-4. Made them feel all very comfortable which made the visit fast and quick
Nicholle N. · March 23, 2017
Merchant Location Map
  1. 1

    Painswick South

    225 Mapleview Drive East

    Unit 2

    Barrie, ON L4N 0W5

    Get Directions
  2. 2

    Barrie

    121 Wellington Street West

    Barrie, ON L4N 9J2

    +17055035588

    Get Directions

By purchasing this deal you'll unlock points which can be spent on discounts and rewards. Every 5,000 points can be redeemed for $5 Off your next purchase.
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