13. Nearsighted Nick wears glasses with a strength of -3.0 diopters 1.7 cm in front of his eyes. a) What kind of lenses is he wearing? b) What is his far point? Farsighted Farah needs new contact lenses. During social distancing, she was ne, but with her near point of 67 cm, she cannot tell her close friends apart anymore. c) What kind of lenses does she need? d) What prescription strength in diopters should she get if she wants to be able to see her friends clearly at a distance of 25 cm? 6) Extra credit: Droid N2-F2 can only see objects clearly at one distance, which happens to be the same as Farah's near point. As their optician, how would you x this