| 摘要 |
There is described a non-irritating method for obtaining lacrimal fluid in the form of resting secretion, in which a hydrophilic contact lens with a water content of 38% to 85% is brought into contact with the lacrimal fluid, the contact lens absorbing the lacrimal fluid which is then extracted by immersing the contact lens in an extractive solution with a 0.8% to 4% concentration of salts, at least one of which is sodium chloride. The extraction takes place at a temperature of 20 DEG to 24 DEG C., and lasts up to two hours during which the extractive solution is stirred or agitated.
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