20/20 vision is a term used to express normal visual acuity measured at a distance of 20 feet. If you have 20/20 vision, you can see clearly at 20 feet what should normally be seen at that distance.
It's a common misconception that 20/20 means you have perfect vision. This measurement doesn’t take into consideration other aspects of good vision such as peripheral vision, depth perception, or your ability to see different colours.
Regular eye exams and vision tests are a key part of good vision health and they are not just to determine whether or not you need to wear glasses. If you need a vision test or examination contact the optometrists at Anne Street Optometry in Barrie, Ontario.