$35 for an Eye Exam and $200 Toward Complete Pair of Glasses at Optical Center of Bay Ridge ($260 value)

Bay Ridge & Fort Hamilton

$35
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$260 87% $225
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In a Nutshell

After a complete eye exam, customers browse thousands of options to choose new frames from top brands

The Fine Print

Promotional value expires 120 days after purchase. Amount paid never expires. Limit 1 per person, may buy 2 additional as gifts. Valid only for option purchased. All goods or services must be used by the same person. Must use promotional value in 1 visit. Valid in stores only. Not valid toward Tiffany, Cartier, or Bvlgari and Cazal brands. Not valid towards sunglasses. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

The Deal

  • $35 for an eye exam ($60 value) and $200 toward a complete pair of glasses with frames and lenses ($260 total value)

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.

Merchant Location Map
  1. 1

    Bay Ridge & Fort Hamilton

    8310 5th Avenue

    Brooklyn, NY 11209

    +17186802020

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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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