Safeguard Good Vision With LuteinPosted on Aug 18, 2020 | Hits: 113 | Stock No: #56494
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Newyork
In order to answer this question we Vision 20/20 Protocol Ebook need to know the way how our eyes work when they need to look at different objects. Our eyes act like camera when it focuses, they constantly adjust the focus, lengthening or shortening their components. The iris acts like the diaphragm of a camera, dilating and constricting the pupil to allow less or more light to get in. The extraocular muscles move and rotate the eye in different directions. They also perform coarse focusing by changing the shape of the eyeball to move retina father or closer to the lens depending on the distance to the objects. Ciliary muscle, which is attached to the lens with small fibers, performs fine tuning on the object by changing the shape of the lens.
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