20/20 Vision: What Does it Mean?
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Everyone has come across the expressions visual acuity and twenty-twenty vision. But what do these terms really mean? 20/20 refers to the accuracy of your eyesight from 20 feet away. If you’ve been told you have 20/20 vision, that basically means that from 20 feet away you are able to properly see that which is […]

Night Vision
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Sometimes you get ready for bed and turn off the light, but you can’t sleep. You open your eyes and you can’t see a thing. Gradually, the things in the room begin take shape. This process, called ”dark adaptation,” allows people to adjust to the dark. In order for night vision and dark adaptation to […]

Focusing on Retinoscopy
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Sometimes, particularly when doing an eye exam on small children the optometrist will focus a light in the eye. But what does this do? This is one way we determine the refractive error of your eye, and it’s known as a retinoscopy exam. By examining the way light reflects off your retina, the eye care […]

Understanding the Eye Chart
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Eye charts of different variations have become a standard in vision screenings and eye exams. One of the most familiar charts associated with vision is the Snellen eye chart, designed by Dutch ophthalmologist Hermann Snellen in 1862 to measure visual acuity- how well you can see at various distances. Although there are variations of the […]

How Your Eyes Convey Emotion
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Your eyes communicate much more than you may realize, in fact they play a huge role in your non-verbal communication. Consciously or not, the way you move your eyes, look at someone, blink or make eye contact can say a lot about what you are thinking and feeling. Here’s a look at how your eyes […]