Jennifer Boothroyd 
Vision 
Nearsightedness, Farsightedness, and More

Audisee(R) e Books with Audio combine professional narration and text highlighting for an engaging read aloud experience! 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.