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Dose reduction factors of three models of protective eyewear in different head postures.
| Head posture (°) | Model 1 | Model 2 | Model 3 | |||
|---|---|---|---|---|---|---|
| Left lens | Right lens | Left lens | Right lens | Left lens | Righ lens | |
| −30 | 4.66 | 3.83 | 5.32 | 4.06 | 5.27 | 5.02 |
| −15 | 5.48 | 2.68 | 5.95 | 2.97 | 6.59 | 4.52 |
| 0 | 4.25 | 1.44 | 4.82 | 1.44 | 5.14 | 2.97 |
| 15 | 1.14 | 1.05 | 1.17 | 1.06 | 2.08 | 1.20 |
| 30 | 1.10 | 0.97 | 1.10 | 1.00 | 1.14 | 0.98 |
