If your world is getting a little cloudy, it may not be the weather. You could be developing cataracts, which means the lens in one of your eyes – or…
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PCVI and many other eye health providers support the sound warnings regarding firework eye safety. With the Fourth of July only a matter of weeks away, it’s important to review…
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Visual acuity (VA) is acuteness or clearness of vision, especially form vision, which is dependent on the sharpness of the retinal focus within the eye, the sensitivity of the nervous…
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Our heart is constantly beating yet we normally do not feel it. It turns out that our brain is capable of filtering out the cardiac sensation so that it doesn’t…
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A University of Iowa-led study of diabetes-related vision impairment holds good news — and some bad news — for patients with signs of these disorders. Scientists have long known that…
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Pioneering gene therapy has restored some vision to patients with a rare form of genetic blindness for as long as four years, raising hopes it could be used to cure…
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Scientists have been studying how visual space is mapped in the cerebral cortex for many decades under the assumption that the map is equal for lights and darks. Surprisingly, recent…
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The proportion of older adults with age-related vision loss is estimated to be as high as one in three over the age of 50. In Canada, that’s roughly 3.6 million…
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Researchers from Massachusetts Eye and Ear and Schepens Eye Research Institute have shown an association between a defective myogenic response — the regulatory increase or decrease in blood pressure to…
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Stage magicians are not the only ones who can distract the eye: a new cognitive psychology experiment demonstrates how all human beings have a built-in ability to stop paying attention…
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