The Patient at the Clinic Says to the Nurse, "My

The patient at the clinic says to the nurse, "My doctor checked my eyes and told me my vision was 20 over 100 [20/100]. What does that mean?" Which is the best response by the nurse?

A) "This means that your eye pressure readings are quite high and may be indicative of glaucoma."
B) "These are numbers associated with left and right eye readings for identifying macular degeneration."
C) "This could be nearsightedness. Your vision for seeing objects up close is better than your vision for seeing things in the distance."
D) "This could be that you are farsighted. Your vision for seeing objects in the distance is better than it is for seeing objects up close."