explain in physics how the eye works and explain physics causing common vision defects and explain...

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Physics

explain in physics how the eye works and explain physics causingcommon vision defects and explain the physics of how they arecorrected

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Structure And Working of EyeThe center of the image falls on the fovea which has thegreatest density of light receptors and the greatest acuitysharpness in the visual field The variable opening or pupil ofthe eye along with chemical adaptation allows the eye to detectlight intensities from the lowest observable to 1010times greater without damage This is an incredible range ofdetection Our eyes perform a vast number of functions such assense direction movement sophisticated colors and distanceProcessing of visual nerve impulses begins with interconnections inthe retina and continues in the brain The optic nerve conveyssignals received by the eye to the brainWorkingIt is a surprise to most people to find out that the lens of theeye is not where all the refraction of incoming light rays takesplace Most of the refraction occurs at the cornea The cornea isthe outer membrane of the eyeball See Answer

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