Explain the function of human eye with diagram.
Answers
Answer:
Eye is also the one of most important and needed organ in our human body.
Sense of sight (power to see) is rendered by our eyes. Eyes helps us to see near and distant objects nicely.We are able to see our surrounding with the help of eye. We can see different types of colors with the help of eye. Some animals can't see colors or just some selected colors can be seen by some but human eye is the one which is able to see all the colors.
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Answer:
Light enters the eye through the cornea, the clear front surface of the eye, which acts like a camera lens.
The iris works much like the diaphragm of a camera--controlling how much light reaches the back of the eye. It does this by automatically adjusting the size of the pupil which, in this scenario, functions like a camera's aperture.
The eye’s crystalline lens sits just behind the pupil and acts like autofocus camera lens, focusing on close and approaching objects.
Focused by the cornea and the crystalline lens, the light makes its way to the retina. This is the light-sensitive lining in the back of the eye. Think of the retina as the electronic image sensor of a digital camera. Its job is to convert images into electronic signals and send them to the optic nerve.
The optic nerve then transmits these signals to the visual cortex of the brain which creates our sense of sight.
