Vision : Nearsightedness, Farsightedness, and More PDF
Part of the Lightning Bolt Books (R) - What Traits Are in Your Genes? series
Do you see clearly? Or do faraway objects look blurry to you? Maybe objects in the distance look clear, but you have trouble reading close-up print. What determines how your vision works? Read this book to find out about how your genes affect your physical features.
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