Monthly Archives: June 2016

June 2016 is Fireworks Eye Safety Month

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 reminders that can serve as a real protection. According to the U.S. Consumer Product Safety Commission, fireworks are involved in thousands of injuries treated in… Read More


Visual acuity

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 elements, and the interpretative faculty of the brain. VA is a quantitative measure of the ability to identify black symbols on a white background at… Read More


Our brain suppresses perception related to heartbeat, for our own good

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 interfere with the brain’s ability to perceive external sensations. For the first time, researchers from the Center for Neuroprosthetics at EPFL have identified this mechanism…. Read More


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