Table 2.
Second visit
| No | Minimum | Maximum | Mean | SD | |
| Right eye | |||||
| AT | 33 | 14 | 32 | 20.9 | 4.9 |
| PT | 33 | 12 | 20 | 15.1 | 2.0 |
| Left eye | |||||
| AT | 26 | 14 | 33 | 21.0 | 5.5 |
| PT | 26 | 12 | 25 | 15.0 | 2.6 |
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