tot age spectacle astigmatism tear contact 
1 young myope no reduced none
2 young myope no normal soft 
3 young myope yes reduced none 
4 young myope yes normal hard 
5 young hypermetrope no reduced none 
6 young hypermetrope no normal soft 
7 young hypermetrope yes reduced none 
8 young hypermetrope yes normal hard 
9 pre-presbyopic myope no reduced none 
10 pre-presbyopic myope no normal soft 
11 pre-presbyopic myope yes reduced none 
12 pre-presbyopic myope yes normal hard 
13 pre-presbyopic hypermetrope no reduced none 
14 pre-presbyopic hypermetrope no normal soft 
15 pre-presbyopic hypermetrope yes reduced none 
16 pre-presbyopic hypermetrope yes normal none 
17 presbyopic myope no reduced none 
18 presbyopic myope no normal none 
19 presbyopic myope yes reduced none 
20 presbyopic myope yes normal hard 
21 presbyopic hypermetrope no reduced none 
22 presbyopic hypermetrope no normal soft 
23 presbyopic hypermetrope yes reduced none 
24 presbyopic hypermetrope yes normal none 