|
S.no |
CVA modules |
MCMichelson Contrast |
Letter |
Letterluminancecd/m2 |
Background luminance cd/m2 |
Test simulates |
| 1 |
CVA98% Mes. |
98% |
White |
220 |
1.6 |
Mesopic – high contrast |
| 2 |
CVA25% Mes. |
25% |
Grey |
8.4 |
5 |
Mesopic – restaurant dining |
| 3 |
CVA50% Mes. |
50% |
Grey |
4.8 |
1.6 |
Mesopic – driving at dusk |
| 4 |
CVA98% Pho. |
98% |
Black |
1.6 |
220 |
Photopic –high contrast |
| 5 |
CVA10% Glare |
10% |
Grey |
180 |
220 |
Photopic glare–sun over head |
| 6 |
CVA8% Glare |
8% |
Grey |
186 |
220 |
Photopic glare –sun 15° off-axis |
