d) As people age, the crystalline lens hardens (a condition called presbyopia or “old-age" eyes) and can only vary in focal length from 12 to 15.60 cm. Calculate range of vision (the new near point and far point) for this older eye. e) Based on part d) why might an older person hold the newspaper at arm's length to read it?
d) As people age, the crystalline lens hardens (a condition called presbyopia or “old-age" eyes) and can only vary in focal length from 12 to 15.60 cm. Calculate range of vision (the new near point and far point) for this older eye. e) Based on part d) why might an older person hold the newspaper at arm's length to read it?
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Transcribed Image Text:d) As people age, the crystalline lens hardens (a condition called presbyopia or “old-age" eyes) and can
only vary in focal length from 12 to 15.60 cm. Calculate range of vision (the new near point and far point)
for this older eye.
e) Based on part d) why might an older person hold the newspaper at arm's length to read it?
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