Explain what causes farsightedness. What type of contact lenses is required to correct this condition? If someone told you that she couldn't read the book once she brought it closer than 80 cm to her eyes, what should be the focal length of the lenses that you would have prescribed for her as an eye doctor? derive by the formula.
Explain what causes farsightedness. What type of contact lenses is required to correct this condition? If someone told you that she couldn't read the book once she brought it closer than 80 cm to her eyes, what should be the focal length of the lenses that you would have prescribed for her as an eye doctor? derive by the formula.
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3Explain what causes farsightedness. What type of contact lenses is required to correct this condition? If someone told you that she couldn't read the book once she brought it closer than 80 cm to her eyes, what should be the focal length of the lenses that you would have prescribed for her as an eye doctor? derive by the formula.
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