A person goes to the eye doctor and discovers that his near point is 100 cm and his far point is 500 cm. What focal length lens is needed to correct for his myopia? What focal length lens is needed to correct his hyperopia? The doctor claims the person will need progressive lenses because the less expensive bifocals will be inadequate. Determine whether the doctor is correct by finding the new near point through the top lens of the bifocals and the new far point through the bottom lens of the bifocals. Is the doctor correct?
A person goes to the eye doctor and discovers that his near point is 100 cm and his far point is 500 cm. What focal length lens is needed to correct for his myopia? What focal length lens is needed to correct his hyperopia? The doctor claims the person will need progressive lenses because the less expensive bifocals will be inadequate. Determine whether the doctor is correct by finding the new near point through the top lens of the bifocals and the new far point through the bottom lens of the bifocals. Is the doctor correct?
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Transcribed Image Text:A person goes to the eye doctor and discovers that his near
point is 100 cm and his far point is 500 cm. What focal length
lens is needed to correct for his myopia? What focal length lens
is needed to correct his hyperopia? The doctor claims the person
will need progressive lenses because the less expensive bifocals
will be inadequate. Determine whether the doctor is correct by
finding the new near point through the top lens of the bifocals
and the new far point through the bottom lens of the bifocals.
Is the doctor correct?
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