|  WDT
              Readings
              time | 
            Whole group | 
            Normal subgroup | 
            Glaucoma suspect | 
            Glaucoma 
              on medication | 
            Glaucoma 
              with SST | 
           
          
            | Mean +SD (mmHg) | 
            Mean +SD (mmHg) | 
            Mean +SD (mmHg) | 
            Mean +SD (mmHg) | 
            Mean +SD (mmHg) | 
           
          
            | Zero min.  | 
            15.85 ± 4.63 | 
            13.1 ± 2.29 | 
            18.00 ± 2.53 | 
            20.86 ± 6.96 | 
            16.86 ± 2.97 | 
           
          
            | 30 min. | 
            19.6 ± 5.72 | 
            15.95 ± 2.92 | 
            23.67 ± 1.63 | 
            26.57 ± 7.02 | 
            19.57 ± 4.04 | 
           
          
            | 60 min. | 
            17.75 ± 5.3 | 
            14.7 ± 2.58 | 
            21.67 ± 5.24 | 
            22.71 ± 7.14 | 
            18.14 ± 3.58 | 
           
          
            | 90 min. | 
            15.85 ± 4.73 | 
            13.05 ± 2.56 | 
            18.33 ± 3.39 | 
            20.14 ± 6.96 | 
            17.43 ± 3.10 | 
           
          |