Comparison of temporal contrast sensitivity between full field, peripheral, and central stimulation
| TCS compared between different stimulated areas | Number of subjects of a rank test and results of the paired t test | Normals | Ocular hypertensives | Preperimetric glaucomas | Perimetric glaucomas | |
|---|---|---|---|---|---|---|
| Central v peripheral | central > peripheral | 0 | 2 | 3 | 5 | |
| peripheral > central | 52 | 52 | 70 | 48 | ||
| t value (p) | 15.16** | 10.5** | 13.34** | 9.36** | ||
| Centralv full field | central > full field | 0 | 1 | 1 | 3 | |
| full field > central | 52 | 53 | 72 | 50 | ||
| t value (p) | 15.82** | 12.16** | 14.19** | 11.53** | ||
| Peripheralv full field | peripheral > full field | 18 | 24 | 29 | 18 | |
| full field > peripheral | 34 | 30 | 44 | 35 | ||
| tvalue (p) | 2.41 (ns) | 1.8 (ns) | 3.01* | 2.36 (ns) | ||
ns = not significant; *p <0.01; **p <0.001.