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Eyes are organs of vision that detect light. Who performed the simplest eye only if the surroundings are light or dark. More complex eyes are used to give a sense of vision.
The human eye has the machine works perfectly, the eye is composed of 40 major elements are different and this section has an important role in the process saw the damage or absence of a functional part of it would be possible as the eye can see. translucent overlay in front of the eye is the cornea, iris there behind him, in addition to members of the iris color can also automatically resize depending on the intensity of the incident light, with the help of muscles connected. For example, when in a dark place iris expanded to incorporate as much light as possible. When power is increased light, turn down the iris to reduce the light entering the eye. so use your eye eye care tips healthy consumer has been provided in this app