Article Credit: Canadian Association of Optometrists ( opto.ca ) Most VR headsets contain two small LCD monitors, each projected at one eye, creating a stereoscopic effect which gives users the illusion of depth. These monitors are positioned very close to the eyes and have caused experts to wonder about possible negative effects, especially when used for long periods of time. These concerns are real, because eye strain is likely whenever one focuses on an object for an exten

Article Credit: Canadian Association of Optometrists ( opto.ca ) “I have 20/20 vision” are words you may have uttered while bragging about having tip-top eyesight, however, it’s not that simple. In fact, it’s highly probable that many people don’t even know what those numbers means. 20/20 vision only represents the clarity of your vision when viewing objects 20 feet in the distance, CNIB explains. Normal vision is known as “20/20”. This simply means that the eye being tested

Structure of the eye. Source:  OpenStax College via Wikimedia Commons Article Credit: Canadian Association of Optometrists ( opto.ca ) The front surface of the eye is called the cornea , a transparent layer that offers protection and allows for light to enter the eye. Surrounding the cornea is the white parts of the eye called the sclera , which wraps around and provides the round structure of the eyeball. Behind the cornea is a fluid-filled space called the anterior chamber