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! Learn about the physical features you inherit in the What Traits Are in Your Genes? series part of the Lightning Bolt BooksTM collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt BooksTM bring nonfiction topics to life!