What Does 20 30 Vision Mean?


20/30 vision means that you can see a sign at 20 feet what a normal person would have to see at 30 feet. It is considered mild vision loss, or near-normal vision. People with such vision are recommended to get corrective lenses to bring their vision to normal.
Q&A Related to "What Does 20 30 Vision Mean?"
20/30 vision is close to perfect vision. It means you can see at 30 feet what a person
20/20 refers to visual clarity at a distance of twenty feet. If you have 20/20 vision, you can view an object at twenty feet away with the same clarity as a "normal" person
In order to calculate 20/20 vision, you must first realize that the first number is always 20. It refers to what you can see at 20 feet in relation to an average person with normal
It means that you must be at 20 feet to see what a person with perfect vision would see at 70.
About -  Privacy -  Your Cookie Choices  -  Careers -  About P.G. Wodehouse -  Help -  Feedback  -  Sitemap  © 2015 IAC Search & Media