$125 Towards Glasses and Exam and $125 Towards Glasses at EyeScript Vision Care P.C (Up to 60% Off)

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Choose Between Two Options

  • $50 for $125 off a complete pair of glasses: frames and lenses ($125 value)
  • $89 for eye exam and $125 off complete pair glasses: frames and lenses ($215 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.

In a Nutshell

Protect your vision with comprehensive eye exam and stylish glasses from labels such as Gucci, Ray-Ban, Nike, Kate Spade, and Guess

The Fine Print

Expires 90 days after purchase. Consultation required; non-candidates & other refund requests honored before service provided. Not valid with insurance or discounts. Appointment required; subj to availability. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Limit 1/person, may buy 1 more as gift. All goods/services must be used by same person. Not valid for contact exams or lenses. Additional fees may apply for medical exams or services. Not valid on Maui Jim products. Eye Exam does not include treatment & management of ocular diseases. Valid only for the purchase of frames and lenses. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.