Olga Is Nearsighted and Cannot See Things Beyond 90 Cm

Multiple Choice

Olga is nearsighted and cannot see things beyond 90 cm cm from her eyes. What is the refractive power of the contact lenses that will enable her to comfortably see distant buildings clearly?

A) +2.2 diopters
B) -1.1 diopters
C) -2.2 diopters
D) +1.1 diopters
E) -1.7 diopters