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myopia science definition
A defect of the eye that causes light to focus in front of the retina instead of directly on it, resulting in an inability to see distant objects clearly. Myopia is often caused by an elongated eyeball or a misshapen lens. Also called nearsightedness. Compare hyperopia.
myopia
top: When the focal point (f) of light falls in front of the retina, vision is blurred.
bottom: A concave-shaped lens corrects the defect by focusing light on the retina.
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