Table 1.
Group Refractive Index Values
| Age | Measured Group Refractive Index +/- Standard Error | Number of Runs |
|---|---|---|
| 21 | 1.41 ± 0.05 | 3 |
| 24 | 1.43 ± 0.05 | 4 |
| 35 | 1.39 ± 0.01 | 10 |
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