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[A testing method of assessing the protein-removing effect of the contact lenses' protein -removing care solution]
Yan Wen1, Xiao-Hang Jia, Tao He
1Medical Device Supervising and Testing Center of Hangzhou, State Food and Drug Administration, Hangzhou 310009.
Objective:
Testing the protein-removing effect of the protein-removing care solution on the protein precipitation of the soft contact lenses.
Method:
Soak the lenses into the artificial-tears to simulate the protein absorption, test the absorbency of cleaned protein at the wavelength of 280 nm by UV spectrophotometer, and compute the percentage of protein.
Result:
Testing results of the percentage of the cleaned protein are repeatable.
Conclusion:
This experimental method can be used to evaluate the cleaning effect of the protein- removing care solution, but still needs much improvements.
