There are some patients with keratoconus that have corneas thatare abnormally thin and bulge out into a cone shape. Consider apatient whose eye has a moderate case of keratoconus. Therefractive power of this eye’s cornea is +50 D.
Part 1.) How far in front of the patient’s eye is its' far point,assuming the eye lens is in its fully relaxed state with arefractive power of +2 D? The eye is 25 mm in diameter. Show yourwork, answer should be in cm or meters.
Part 2.) What is the refractive power of the contact lens youwould prescribe for the patient’s eye? Show your work.
