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Hydration (H) of corneal stromas studied at different concentrations of NaCl (n = 6 for each concentration) and corresponding concentration of polyethylene glycol (PEG), which was necessary to achieve a hydration close to the physiological value of 3.2
| [NaCl] (mM) | ||||||||
|---|---|---|---|---|---|---|---|---|
| 10 | 30 | 50 | 100 | 154 | 300 | 600 | 1000 | |
| H | 3.20 | 3.19 | 3.20 | 3.20 | 3.19 | 3.20 | 3.20 | 3.23 |
| s.e.m. | 0.01 | 0.02 | 0.03 | 0.04 | 0.06 | 0.03 | 0.02 | 0.07 |
| [PEG] (%) | 3.96 | 3.52 | 3.68 | 3.28 | 4.45 | 4.08 | 2.71 | 2.20 |
| s.e.m. | 0.04 | 0.05 | 0.06 | 0.08 | 0.14 | 0.15 | 0.09 | 0.12 |
