so blindness in human beings is caused by
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Normal vision depends on a multi-faceted, complex process. Light enters the eye through the cornea and lens, with the iris helping to focus the image. The light is projected onto the back wall of the eye, where it is perceived by millions of tiny nerve endings that make up the retina. From here, the retina translates the images into nerve impulses that are transmitted to the brain through the optic nerve.
When any of these eye parts are damaged, either through illness or injury, blindness can occur:
The lens may cloud, obscuring the light entering the eye.
The eye's shape can change, altering the image projected onto the retina.
The retina can degrade and deteriorate, affecting the perception of images.
The optic nerve can become damaged, interrupting the flow of visual information to the brain.
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When any of these eye parts are damaged, either through illness or injury, blindness can occur:
The lens may cloud, obscuring the light entering the eye.
The eye's shape can change, altering the image projected onto the retina.
The retina can degrade and deteriorate, affecting the perception of images.
The optic nerve can become damaged, interrupting the flow of visual information to the brain.
hope this is helpful.
if you like it please select it as brainliest answer
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vitamin a hyperopia by caused
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