Table 5
Prevalence of across-shift decrements in vision by total amine concentration
| Full shift total amine concentrations (mg/m3) | n | Decreased bilateral visual acuity | Decreased bilateral contrast sensitivity at 2.5% contrast | Decreased bilateral contrast sensitivity at 1.25% contrast |
|---|---|---|---|---|
| 0.84–7.30 | 26 | 2 (8%) | 1 (4%) | 9 (35%) |
| 7.31–13.80 | 57 | 7 (12%) | 11 (19%) | 19 (33%) |
| 13.81–20.33 | 13 | 6 (46%) | 8 (62%) | 6 (46%) |
