Question 42 1.67 pts Which area of the retina is responsible for central or "straight-ahead" vision required for reading, driving, detail work, and recognizing faces? cones rods optic nerve macula
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Central vision is what allows us to see details clearly and directly in front of us. Show more…
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The rod and cone cells in the central part of the retina—the fovea—are packed closer together, giving a more detailed view. This area of increased rod and cone density has a diameter of about 1.5 mm. When you read a book, you want the image of the text you are reading to fall on the fovea. If you hold a book 30 cm from your eyes, how wide is the spot on the page whose image just fills the fovea? (Assume that the retina is 1.7 cm from the lens.)
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