Question

e字视力表1.0何1.2相当于c字视力表得多少

Answer 1

E视力表和C视力表的对照

5.3---------------- 2.0

5.2 --------------- 1.5

5.1 --------------- 1.2

5.0 --------------- 1.0

4.9 --------------- 0.8

4.8 --------------- 0.6

4.7 --------------- 0.5

4.6 --------------- 0.4

4.5 --------------- 0.3

4.4 --------------- 0.25

4.3 --------------- 0.2

4.2 --------------- 0.15

4.1 --------------- 0.12

4.0 --------------- 0.1