The near point (the smallest distance at which an object can be seen clearly) and the far point (the largest distance at which an object can be seen clearly) are measured for six different people. near far
point point
(cm) (cm)
Avishka 40 ?
Berenice 30 300
Chadwick 25 500
Danya 25 ?
Edouard 80 200
Francesca 50 ?
A) Which, if any of these people are nearsighted (myopic)?
B) Which, if any, of these people require bifocals to correct their vision?
C) Which, if any, of these people's vision can be corrected using only converging lenses?