At What Distance Can A Normal Eye Focus Sharply On An Object? A person with normal (ideal) vision can see objects clearly at distances ranging from 25 cm to essentially infinity. At what distance from a viewed object does the eye have to adjust for near vision? Less diverging rays from a distant object can
What Is The Mean Of 6 6 Vision? Many people refer to ‘perfect’ vision as ‘6/6′ or ’20/20’ (US notation measured in feet), but this is not strictly true – these terms refer to ‘average’ vision. If you achieve a vision measurement of 6/6, this means that you can see at a distance of 6m
When Viewing An Object Closer Than 20 Feet Which Of The Following Occurs? In people who have normal vision, the ciliary body flattens the lens enough to bring objects into focus at a distance of 20 feet or more. To see closer objects, this muscle contracts to thicken the lens. When an object is more