$49 for Eye Exam with $100 Credit Toward Glasses or Contacts at Colorado Optometry ($239 Value)

Colorado Optometry

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In a Nutshell

Optometrists examine eyes before customers apply a $100 credit toward a pair of brand new frames or year's supply of contact lenses

The Fine Print

Expires 90 days after purchase. Limit 1/person, may buy 1 additional as a gift. Limit 1/visit. Appointment required. 24hr cancellation notice required or $25 fee will apply. New clients only. Valid for any full pair of glasses or towards a year's supply of contact lenses. Not valid with any other offers. Contact lens purchase requires a valid contact lens prescription; if needed, a Groupon discounted contact lens evaluation is available, call office for details. Manufacturer restrictions apply to Oakley & Acuvue products, call Colorado Optometry for details. In some cases, may be combined with insurance; call for details. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

An eye for an eye makes the whole world blind, which hampers investigations into the underground eye trade. Invest in your ocular assets with this Groupon.

The Deal

$49 for an eye-exam package ($239 value)

  • Eye exam ($139 value)
  • $100 credit toward the purchase of prescription glasses or contacts<p>

Eye Charts: The Writing on the Wall

Part of your vision test will include a glance at the all-too-familiar eye chart. Read on to learn the philosophy and history behind those shrinking letters.

According to The Seattle Times, the best-selling poster in the United States isn’t of Indiana Jones or the cover to Pink Floyd’s Generic World Map. It’s the eye chart, those iconic rows of increasingly small letters that grace optometrists’ offices throughout the country. Aesthetics aside, the ubiquitous chart primarily tests visual acuity, which the American Optometric Association summarizes as “the clarity or sharpness of vision.” Patients typically stand around 20 feet from the wall, cover one eye, and identify the smallest row of letters they can individually distinguish. Commonly, this boils patients’ visual acuities down to a fraction in which 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.

These fractions were the brainchild of Herman Snellen, a Dutch ophthalmologist who designed the first popular rendition of an eye chart in the 1860s. The original versions of Snellen’s chart included nine letters—C, D, E, F, L, O, P, T, and Z—as optotypes—a term for standardized symbols used to test vision. However, there was room for improvement in Snellen’s design; the spacing wasn’t quite standardized, and different versions incorporated serif as well as sans serif fonts. Over the years, the Snellen chart has adopted more uniform spacing and cleaner optotypes, and a few alternatives have sprung up for use in other settings. For instance, scientists prefer a chart designed by two Australian optometrists for its logarithmic progression of letter size, and one variation simply orients the single letter ‘E’ in different directions, making the test easier for patients who are illiterate or unfamiliar with the Roman alphabet.

For all their value, eye charts are still only capable of assessing visual acuity, not vision in general. Full eye exams almost invariably include a staring contest with an eye chart, but optometrists also use different tools to test everything from peripheral awareness and depth perception to focusing ability and color vision.


82% of 11 customers recommend

  • “If you have astigmatism, they charge a fee, but it's still a great deal. I had a great experience there and didn't feel pressured to buy more goods / services. ...”

    “If you have astigmatism, they charge a fee, but it's still a great deal. I had a great experience there and didn't feel pressured to buy more goods / services. Highly recommend, great optometrist. ”

  • “Quality service, care and optics at very fair and competitive prices”

  • “Nice olace”

  1. 1

    Colorado Optometry

    4020 South College Avenue

    Unit B8

    Fort Collins, CO 80525


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