Dr. Weatherford’s prescription is –1.75 in each eye. He also…

Dr. Weatherford’s prescription is –1.75 in each eye. He also has a pair of computer glasses which has a lower power and reduces eyestrain by placing the image of the monitor at his far point. If his monitor is located 65 cm from his eye, what is the correct prescription (in diopters) for the computer glasses so that he sees the monitor clearly with a relaxed eye?