What is the power of the needed corrective lens

Reference no: EM13652741

The nearpoint of an eye is 55 cm. A corrective lens is to be used to allow this eye to clearly focus on objects 25 cm in front of it.

a) What should be the focal length of this lens?
Answer in units of cm.
b) What is the power of the needed corrective lens?
Answer in units of diopters.

Reference no: EM13652741

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