A person with abnormal vision dives into a swimming pool, and while under water, can see distant objects clearly. (a) Is this person nearsighted or farsighted? This same person visits an optometrist who prescribes corrective contact lenses with a refractive power of 12.0 diopters. (b) How far from the person's eyes is their far point? (a) nearsighted farsighted (b) Number " " ' Units v