Natural Vision Improvement Centre


Give as a Gift

In a Nutshell

Seminar instructs participants in techniques for natural vision improvement

The Fine Print

Promotional value expires Jun 5, 2015. Amount paid never expires. Limit 1 per person, may buy 1 additional as gift. Limit 1 per visit. Appointment required. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

The Deal

  • C$10 for Natural Vision Intro-Orientation w/ Prescription Reduction (C$45 value)

Dates are as follows (Choose One):

  • Feb. 28th, 10 a.m. - 12:30 p.m.
  • March 5th, 6:30 p.m. - 9 p.m.
  • March 14th, 10 a.m. - 12:30 p.m.
  • April 2nd, 6:30 p.m. - 9 p.m.
  • April 25th, 10 a.m. - 12:30 p.m.
  • May 7th, 6:30 p.m. - 9 p.m.
  • May 23rd, 10 a.m. - 12:30 p.m.
  • June 4th, 6:30 p.m. - 9 p.m.

20/20 Vision: An Imperfect Ratio

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.

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