Absorbance | Group | |
Silicon Oil 1300 cs (n = 13) | Silicon Oil 5500 cs (n = 9) | |
Wave length: 770 nm Mean (SD) Median Range |
0.059 0.148 (0.093) 0.131 0.049 - 0.357 |
0.111 0.103 (0.062) 0.096 0.024 - 0.176 |
Comparison of Wave length sample to unused silicon oil | p = 0.005 | p = 0.699 |