A person can focus clearly only on objects between
37.0 cm and 53.0 cm from his eyes.
Part A: Find the focal lengths of the
correcting contact lenses needed to correct his closeup vision and
distant vision.
Answer in the order indicated. Separate your answers with a
comma. (unit in cm)
Part B
Find the powers of the correcting contact lenses needed to
correct his closeup vision and distant vision.
Answer in the order indicated. Separate your answers with a
comma. (UNIT IN DIOPTERS)