Table
9: Subjective
rating of prismatic and non-prismatic correction at a distance in both groups.
1 = the worst, 5 = the best.
|
Groups & Rating / Category: |
Mean
values | Standard deviations |
Difference |
Mann-Whitney
U Test results (p) |
||||
|
Group A |
Group B |
||||||
|
Prism |
VA (far) |
3.9118 |
0.9393 |
4.2353 |
0.8065 |
-0.3235 |
0.2987 |
|
COMFORT (far) |
3.6176 |
1.0236 |
3.9412 |
1.1099 |
-0.3235 |
0.2849 |
|
|
HABITUATION (far) |
3.5294 |
1.2307 |
3.8824 |
1.1823 |
-0.3529 |
0.4084 |
|
|
STABILITY (far) |
4.0882 |
0.9055 |
4.1765 |
1.1497 |
-0.0882 |
0.4841 |
|
|
OVERALL (far) |
3.7941 |
1.0164 |
4.0882 |
1.0605 |
-0.2941 |
0.2505 |
|
|
VA (near) |
3.8000 |
0.9411 |
4.4118 |
0.9113 |
-0.6118 |
0.0375 |
|
|
COMFORT (near) |
4.0000 |
0.7559 |
4.1176 |
0.9630 |
-0.1176 |
0.5577 |
|
|
HABITUATION (near) |
4.0667 |
0.8837 |
4.2941 |
1.0718 |
-0.2275 |
0.2602 |
|
|
STABILITY (near) |
4.3000 |
0.8824 |
4.5882 |
0.6910 |
-0.2882 |
0.2556 |
|
|
OVERALL (near) |
4.0667 |
0.7037 |
4.2353 |
0.9412 |
-0.1686 |
0.3445 |
|
|
Non-prism |
VA (far) |
4.1471 |
0.7859 |
4.6471 |
0.5077 |
-0.5000 |
0.0541 |
|
COMFORT (far) |
3.9706 |
1.0379 |
4.6765 |
0.5128 |
-0.7059 |
0.0286 |
|
|
HABITUATION (far) |
4.0294 |
1.0073 |
4.5000 |
0.6417 |
-0.4706 |
0.1698 |
|
|
STABILITY (far) |
3.9412 |
1.1440 |
4.4706 |
0.6960 |
-0.5294 |
0.1842 |
|
|
OVERALL (far) |
4.0588 |
0.9663 |
4.4706 |
0.5278 |
-0.4118 |
0.2598 |
|
|
VA (near) |
3.9333 |
0.5936 |
4.5882 |
0.6910 |
-0.6549 |
0.0060 |
|
|
COMFORT (near) |
3.9333 |
0.7988 |
4.5882 |
0.7715 |
-0.6549 |
0.0075 |
|
|
HABITUATION (near) |
4.2667 |
0.8837 |
4.6471 |
0.7624 |
-0.3804 |
0.1029 |
|
|
STABILITY (near) |
3.9333 |
0.8837 |
4.6471 |
0.5882 |
-0.7137 |
0.0123 |
|
|
OVERALL (near) |
4.0667 |
0.8633 |
4.5882 |
0.5999 |
-0.5216 |
0.0551 |
|