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Eye Vision How It All WorksEye vision ,structure and how we see an brief explanation
The eye is an amazing organ which allows us through the sense of sight to obtain information about the world around us. The main parts are the
cornea
the crystalline lens
and retina.
How do we see?Very like a camera!Light enters first through the clear part at the front the cornea (which acts like a camera lens), here the light is bent and then further bent as it travels through the lens and other parts to be collected (as like on a camera film )at the retina at the back . The light on the retina is then converted to electrical signals which are passed to the human brain.The brain then converts these signals to an image- amazing! If there are
refractive errors
the light is bent so that it does not give a sharp retinal image and the vison will be blurred.
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