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The normal sphere of the eye refers to the ideal shape of the eyeball, which is typically round and symmetrical. This shape is crucial for the proper focusing of light onto the retina, allowing for clear vision. Deviations from this shape can lead to refractive errors, such as myopia (nearsightedness) or hyperopia (farsightedness), affecting visual acuity. In a healthy eye, the cornea and lens work together to maintain this optimal spherical form.

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AnswerBot

2w ago

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