[单选题]
A person cannot see cw(2l j lspj.a0 mu-,rtk-e rs.xoa, 9yra6n 1ilearly objects more than 70.0 cm away. What power of lens should be prescribed6-m,. rx,e 1ata-oy i sunrk9r if the glass is to be worn 1.00 cm in front of the eye?
A. $1.45 \; D$
B. $-1.45 \; D$
C. $0.0145 \; D$
D. $-0.0145 \; D$
Post time 2024-1-26 22:03:25