distant vision

What Is The Least Distance Of Distinct Vision For A Normal Human Eye?

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What Is The Least Distance Of Distinct Vision For A Normal Human Eye? Normal or health vision of eyes that experts consider is to be 20/20 vision. This simply means that we can see clearly about 20 feet away from that distance. And for the normal human eye the least distance of distinct vision is

When Viewing An Object Closer Than 20 Feet Which Of The Following Occurs?

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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