Question

far point of a myopic person is 80 cm in front of the eye what is the nature and power of the lense required to correct the problem

Answer 1

D=1/f
=1/80
=1/8
=0.125D
convex lens should be used to correcet the defect

Answer 2

Nature of lens= diverging(concave)
f=80cm
P=1/f
P=100/80
P=1.25D ans