$26 for Eye Exam or Contacts Fitting & $200 Toward Prescription Glasses or Sunglasses at Z Optical ($250 Value)

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Sale Ends 1 day 15:19:16
Up to 90% Off

Customer Reviews

36 Ratings

Fantastic service. They really take the time to help you and care about their customers. I'm extremely pleased and have been getting compliments on my new glasses. Great quality as well.
Danielle · June 23, 2017
The Best optical store in Staten Island . My 13 year old loved Sergio he is like family and did the right thing for us. I promise you it's the best decision you will make ... just buy it you won't be making a mistake. !!!!
Robyn M. · June 15, 2017
This was my first visit to Z Optical, because of Groupon. Sergio was extremely knowledgeable and professional I would recommend him to everyone!!!! Purchase this Groupon you won't be disappointed!!!! I will definitely be using them for now on!
JoAnn S. · June 15, 2017

What You'll Get


The Deal

  • $26 for an eye exam or contact lens fitting and $200 toward complete prescription glasses or sunglasses ($250 value)

20/20 Vision: An Imperfect Ratio

The included eye exam will determine your visual acuity, which compares your vision to the 20/20 standard. Read on to find out what this metric really means.

Possessing 20/20 vision may be considered perfect, a level of visual acuity reserved for Navy pilots and the bald eagles that train them, but in fact it’s not even close to average. Developed by Dutch optometrist Hermann Snellen in the 1860s, the 20/20 standard is a somewhat arbitrary distinction. After inventing his now-iconic eye chart—which consists of lines of standardized letters that get progressively smaller—Snellen also instituted the concept of a ratio to define the clarity of a patient’s vision. The denominator represents how many feet away a person of normal visual acuity could stand while still discerning the letters with the same level of clarity as the patient. In other words, 20/40 vision means the patient needs to stand 20 feet away to make out the same size letters as a person with standard vision can from 40 feet.

Because the 20/20 standard is arbitrary, many people actually have considerably better eyesight, represented by such ratios as 20/15 or 20/10. In fact, in the United States, the average visual acuity is sharper than 20/20 until about age 60 or 70, when people’s vision naturally starts to decline as their bangs finally grow past their eyes. Also, though it’s useful for determining basic shortcomings of vision, an eye chart can’t diagnose a proper glasses or contact prescription. To determine that, optometrists test many other factors, including depth perception, peripheral vision, x-ray vision, and focusing skills.

The Fine Print


Promotional value expires 90 days after purchase. Amount paid never expires. New Clients Only. Limit 1 per person, may buy 1 additional as a gift. Appointment required. Merchant's standard cancellation policy applies (any fees not to exceed voucher price). Consultation required; non-candidates and other refund requests will be honored before service provided. Not valid with insurance. $35 fee applies to first time contact-lens wearers. Credit cannot be applied towards contact lenses. Does not include rigid, hard, or toric contact lenses. Cannot be combined with any other offers. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

About Z Optical


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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.