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Stereopsis (Depth Perception) Test

Stereopsis is the term used to describe eye teaming that enables normal depth perception and appreciation of the 3-dimensional nature of objects.

In one commonly used stereopsis test, you wear a pair of "3D" glasses and look at a booklet of test patterns. Each pattern has four small circles, and your task is to point out which circle in each pattern looks closer to you than the other three circles. If you can correctly identify the "closer" circle in each pattern, you likely have excellent eye teaming skills that should enable you to experience normal depth perception.

Retinoscopy

Your eye doctor may perform this test early in the eye exam to obtain an approximation of your eyeglass prescription.

In retinoscopy, the room lights will be dimmed and you will be asked to focus on a large target (usually the big "E" on the eye chart). As you stare at the "E," your eye doctor will shine a light at your eye and flip lenses in a machine in front of your eyes. This test estimates which lens powers will best correct your distance vision.

"Optical industry is a very diverse industry", Said Dr. Khan, Lead Optometrist at Sight N' Steps Ajax Location. "You can get lenses in the market for fifty dollars for a prescription, or you can get lenses for One Thousand Fifty Dollars for the exact same prescription. The difference is your vision!!"

"It's all about educating your patients on why their lenses cost what they cost. There are many optical establishments in and around Durham Region dispensing prescription lenses that may have been designed in the 80's and 90's. Our lifestyle is very different today than it was back then", Says a very enthusiastic Dr. Khan. "We are constantly in front of our high definition computer, tv and smart phone screens, taking in constant rays of blue light which is very dangerous to our eyesight".

Sight N’ Steps along with its highly distinguished partners like Nikon Lenswear, and Essilor Canada, takes this very seriously. Unlike many other optical establishments, each pair of eyeglasses dispensed at Sight N’ Steps comes with authenticity card for your frame brand and a world-wide warranty card from Nikon Lenswear. At Sight N' Steps, We encourage our patients to research on the type of lenses we recommend for them so they can make an educated decision.