Central Vision vs Peripheral Vision

Eye sight can be seen (pun very much intended) as being comprised of two main functions: central and peripheral.   Most associate central vision with focusing on particular objects of interest, while peripheral vision is when something to the side attracts ...
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What is 20/20 vision?

20/20 vision is normally used to describe perfect sight.   However, this is not entirely accurate.   20/20 vision (or 6/6 if you are in the UK) actually refers to what is seen as “normal visual acuity” at a distance of twenty feet (or six ...
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